Malicious PDF — malware analysis report

Static analysis result for SHA-256 8af5c72b3310f7cc…

MALICIOUS

PDF

1.1 KB
MD5: 734df19445607910a0e84091596800c1 SHA-1: df09f0b5bf95785172d9b42d37f21fdc341eaecb SHA-256: 8af5c72b3310f7cc553482fedfef283ba47ad2c08320fce1f0529d52d1ca74ed
104 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059.001 PowerShell

The PDF file contains embedded JavaScript and uses ASCIIHexDecode and ASCII85Decode filters, which are common techniques for obfuscating malicious content within PDFs. ClamAV detection as 'Pdf.Exploit.Agent-36178' strongly indicates an exploit attempt. The lack of document body text means the specific lure cannot be determined, but the technical indicators point to a code execution exploit.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-36178 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36178
  • 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.
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation