#PDF
Adobe Acrobat Zero-Day CVE-2026-34621: Four Months of Targeted Espionage via Prototype Pollution Exploit
Adobe patched a critical zero-day in Acrobat Reader (CVE-2026-34621) that was exploited for at least four months via a sophisticated prototype pollution technique. The attack chain enables full...
Unpatched Adobe Reader Zero-Day Has Been Silently Exploiting Users Since December
A highly sophisticated zero-day exploit targeting Adobe Reader has been active since December 2025, requiring just a single click to open a PDF. No patch is available yet...
From PDF invoice to geo-fenced RAT delivery campaign
A recent campaign targeting Southern European organizations demonstrates advanced evasion techniques combining social engineering, trusted platforms, and geolocation filtering. The attack chain unfolds through four precision stages: 1....