Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8e9e398ec1dfe8a…

MALICIOUS

PDF

302.0 KB
MD5: 756d32acfb336c8cfc91f3c750330177 SHA-1: a8b2fffdbfb2acfa2cdab217677d309b7195045d SHA-256: b8e9e398ec1dfe8ae5f9ee993dc3ee2ea22a5a1e9c48f42a0ffa9f241d8a9f23
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript and utilizes ASCIIHexDecode filters, indicating an attempt to obfuscate malicious code. ClamAV detection as Pdf.Exploit.Agent-36189 confirms its malicious nature, likely involving the execution of a JavaScript exploit. The primary attack vector appears to be leveraging a PDF vulnerability to run arbitrary code.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36189 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36189
  • ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX
    Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.