SECURITYApr 9 · 11:15 UTCTHE HACKER NEWS[email protected] (The Hacker News)

Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025

A zero-day vulnerability in Adobe Reader has been exploited via malicious PDFs since December 2025, as reported by EXPMON's Haifei Li. The first malicious artifact, 'Invoice540.pdf', appeared on VirusTotal on November 28, 2025.

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Mentioned

Adobe ReadertopicEXPMONorganizationHaifei LipersonVirusTotalorganizationInvoice540.pdftopiczero-day vulnerabilitytopicthreat actorstopic

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