Malicious Campaign Deploying AdaptixC2 Beacon and VS Code via Trojanized SumatraPDF

Reported 23 Apr 2026 by otx · Severity: medium

On March 12, 2026, a sophisticated attack campaign was identified targeting Chinese-speaking individuals using military-themed document lures distributed through a malicious ZIP archive. The operation employed a trojanized SumatraPDF binary as the initial vector to deploy an Adap