Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbaf87b60293b106…

MALICIOUS

PDF

14.8 KB
MD5: b4a07a4726235e4cb43a5833ab710dc7 SHA-1: 39d0a4e43ba46706dc98b753794a6b21219045fb SHA-256: cbaf87b60293b1067651309df8de4ac332f3961b5962b2a0fd54772e90466512
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The ML classifier and ClamAV detection strongly indicate this PDF is malicious, specifically identified as Pdf.Exploit.Agent-36830. The presence of embedded content and XFA forms are common characteristics of malicious PDFs designed to exploit vulnerabilities. While the document body and scripts were not directly indicative of a specific lure, the overall heuristics point to a payload delivery mechanism.

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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