Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a83ebdf613308c7…

MALICIOUS

PDF

31.8 KB
MD5: f4ebea05b2019273318bd94e59d01ddb SHA-1: ecad4f10cba5fbe1319dfb8aadc249835af51888 SHA-256: 3a83ebdf613308c70213de73083341688f9343827c53b1c5474d42534a4a77f9
98 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as Js.Exploit.HTML-30. The presence of an embedded URL and XFA form suggests an attempt to leverage JavaScript for exploitation. The embedded URL, http://www.xfa.org/schema/xfa-template/2.5/, is likely part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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://www.xfa.org/schema/xfa-template/2.5/

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