Dossier
SumatraPDF
Coverage of SumatraPDF in the Nexus archive.
- Tropic Trooper Uses Trojanized SumatraPDF and GitHub to Deploy AdaptixC2
A cyber campaign targeting Chinese-speaking individuals uses a trojanized version of SumatraPDF to deploy the AdaptixC2 Beacon malware, leveraging Microsoft Visual Studio Code tunnels for remote access. Zscaler ThreatLabz attributed the attack with high confidence to the Tropic Trooper threat group.