Search: “pdf viewer”

31 stories

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Malware 36 Vulnerability 20 Threat actor 15 Ransomware 10 Exploit / PoC 10 Phishing & fraud 6 Policy & legal 3 Data breach 3 Industry 2 AI research 1

SeverityAll critical 20 high 47 medium 31 low 7 info 1

PDF viewers, online validation services vulnerable to digital signature spoofing attacks

Help Net SecurityApr 22, 12:08 UTC · Apr 22, 2025Vulnerability

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Hacking Digitally Signed PDF Files

Schneier on SecurityMar 12, 22:20 UTC · Mar 12, 2021Vulnerability

30

Researchers Find New Hack to Read Content Of Password Protected PDF Files

The Hacker NewsOct 1, 17:39 UTC · Oct 1, 2019Exploit / PoC

45

Zero-Click iMessage Exploit

Schneier on SecuritySep 17, 11:09 UTC · Sep 17, 2021Vulnerability

30

Thunderbird 150 arrives with encrypted message search and OpenPGP improvements

Help Net SecurityApr 21, 00:00 UTC · Apr 21, 2026Vulnerability

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Experts devised 3 attacks to deceive digital signature verification process

Security AffairsFeb 27, 11:12 UTC · Feb 27, 2019Vulnerability

30

Shadow attacks allow replacing content in signed PDF files

Security AffairsJul 27, 05:57 UTC · Jul 27, 2020Vulnerability CVE-2020-9592 CVE-2020-9596

35

Expert Tips on How to Spot a Phishing Link

The Hacker NewsSep 25, 12:21 UTC · Sep 25, 2024Phishing & fraud

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North Korea's APT37 Uses Facebook Social Engineering to Deliver RokRAT Malware

The Hacker NewsApr 15, 00:00 UTC · Apr 15, 2026Malware

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Malicious Software Packages Found On Arch Linux User Repository

The Hacker NewsJun 12, 19:19 UTC · Jun 12, 2026Malware

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GRU-Linked BlueDelta Evolves Credential Harvesting

Recorded FutureMay 26, 00:00 UTC · May 26, 2026Data breach

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“Red October”. Detailed Malware Description 5. Second Stage of Attack

Kaspersky SecurelistJan 17, 16:05 UTC · Jan 17, 2013Malware

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Anatsa Android Trojan Bypasses Google Play Security, Expands Reach to New Countries

The Hacker NewsFeb 21, 03:20 UTC · Feb 21, 2024Malware

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These 2 attacks allow to alter certified PDF Documents

Security AffairsMay 30, 14:33 UTC · May 30, 2021Vulnerability CVE-2020-35931 CVE-2021-28545 CVE-2021-28546+1 CVEs

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Shadow Attacks Let Attackers Replace Content in Digitally Signed PDFs

The Hacker NewsFeb 23, 10:46 UTC · Feb 23, 2021Vulnerability CVE-2020-9592 CVE-2020-9596 CVE-2020-28352+3 CVEs

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BatShadow Group Uses New Go-Based 'Vampire Bot' Malware to Hunt Job Seekers

The Hacker NewsOct 8, 04:31 UTC · Oct 8, 2025Malware

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New Tricks in the Phishing Playbook: Cloudflare Workers, HTML Smuggling, GenAI

The Hacker NewsMay 28, 04:30 UTC · May 28, 2024Phishing & fraud

30

Trapdoor Android Ad Fraud Scheme Hit 659 Million Daily Bid Requests Using 455 Apps

The Hacker NewsMay 19, 16:38 UTC · May 19, 2026Phishing & fraud

30

Vietnamese Hackers Using New Delphi-Powered Malware to Target Indian Marketers

The Hacker NewsNov 15, 00:00 UTC · Nov 15, 2023Malware

30

Ducktail malware spreading through fake clothing job ads

Kaspersky SecurelistNov 10, 08:00 UTC · Nov 10, 2023Malware

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How Malicious Android Apps Slip Into Disguise

Krebs on SecurityAug 3, 12:51 UTC · Aug 3, 2023Vulnerability

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‘Tactical Octopus’ hackers using tax

The RecordApr 2, 17:49 UTC · Apr 2, 2023Malware

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Malicious Browser Extensions Targeted Over a Million Users So Far This Year

The Hacker NewsAug 18, 01:40 UTC · Aug 18, 2022Malware

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How to use weaponized PDF documents to steal Windows credentials

Security AffairsApr 28, 12:40 UTC · Apr 28, 2018Exploit / PoC

45

“This site may harm your computer”. How to recognize and defeat website infections

Kaspersky SecurelistSep 18, 12:42 UTC · Sep 18, 2012Vulnerability

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Anatsa Android Banking Trojan Hits 90,000 Users with Fake PDF App on Google Play

The Hacker NewsJul 9, 03:06 UTC · Jul 9, 2025Malware

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Alfresco Claims Management solution helps clients modernize their claims processes

Help Net SecurityJun 25, 00:00 UTC · Jun 25, 2020Vulnerability

30

Wuhan coronavirus exploited to deliver malware, phishing, hoaxes

Help Net SecurityJan 19, 13:00 UTC · Jan 19, 2024Malware

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Lazarus Group’s Operation DreamJob Targets European Defense Firms

Infosecurity MagazineOct 23, 14:30 UTC · Oct 23, 2025Threat actor

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Attacks on industrial enterprises using RMS and TeamViewer

Kaspersky SecurelistAug 1, 10:00 UTC · Aug 1, 2018Vulnerability

30

Inside Japanese-Speaking Underground Cyber Communities

Recorded FutureNov 21, 00:00 UTC · Nov 21, 2025Malware

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