Search: “PDF Viewer”

31 stories

Searchkeyword smart Sortlatest hot importance relevance

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

30

‘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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