PDFSIDER DLL Side-Loading of cryptbase.dll

nomit vyas@xoxo

•updated Jun 22, 2026•1•0•5

Detects when a legitimate application, specifically 'pdf24.exe', loads 'cryptbase.dll' from a non-standard directory. This behavior is indicative of DLL side-loading, a technique known to be used by the PDFSIDER malware to evade detection and potentially escalate privileges.