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UnclassifiedIdeologyAdvanced sophistication

PDFSIDER

PDFSIDER is a threat actor group with an ideological motive, tracked by Brandefense. It uses 10 MITRE ATT&CK techniques.

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Techniques
10
Exploited CVEs
No CVE data
Record updated

About PDFSIDER.

An Advanced Persistent Threat (APT) group that exploits the legitimate PDF24 App through DLL side-loading to establish covert, memory-resident backdoors for long-term espionage.

Last updated Jul 22, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.