Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab8fb4f9f4ecaa52…

MALICIOUS

PDF

28.2 KB
MD5: 06b2cfe33288b6fce595b890db9d736e SHA-1: eb7a9ce2037acb3abab5d33922cb244d1d191113 SHA-256: ab8fb4f9f4ecaa52cbfdf19905b457c6f05c663e815a569880920e6b57bfd065
98 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically detecting embedded JavaScript exploits. The presence of an XFA form further indicates a potential attack vector. The embedded URL, while seemingly benign, is part of the exploit structure.

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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