Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ec218c67759b32f…

MALICIOUS

PDF

28.0 KB
MD5: 788897de03dad7aab77ae39bcda4ac51 SHA-1: 2de8546e0c2677c6f4b0a835a06016a42cbbfe25 SHA-256: 6ec218c67759b32fc38549a1184e57ac47e72881dfd3ae28909450d992e14de5
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains XFA form data and embedded JavaScript, which is flagged by ClamAV as Js.Exploit.HTML-30. The embedded URL, while seemingly benign, is part of the exploit structure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to execute a second-stage payload via JavaScript.

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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