Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1543eb414a4020a…

MALICIOUS

PDF

14.8 KB
MD5: bbb6e19c4ef24a87d4111999f44bdf3a SHA-1: 145530e8b1e43716369335899aba03dfc66e770a SHA-256: d1543eb414a4020a8f5f6840e31209f6f4f0b1f616606db85845c6473cd6efde
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The ML classifier and ClamAV detection strongly indicate this PDF is malicious, specifically identified as Pdf.Exploit.Agent-36830. The presence of an embedded file and XFA form suggests an exploit is likely being used to deliver a secondary payload. The document body contains obfuscated JavaScript, which likely contributes to the exploit execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

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