Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7332d1351e9696c…

MALICIOUS

PDF

28.4 KB
MD5: e054421b3183610162076a7a4bc6ae3f SHA-1: 4259ccef03fd71a1e49487ce440e6b9081f57441 SHA-256: f7332d1351e9696c732e8f0cdd49ff2c19f94d6c43df35e95789d756d55c5528
98 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing XFA form elements, which are often used to embed malicious content. ClamAV detected this as Js.Exploit.HTML-30, indicating the presence of exploit code, likely JavaScript. The embedded URL, while seemingly benign, is part of the exploit structure. The ML classifier strongly supports a malicious verdict. The script's intent is to leverage a PDF viewer vulnerability to execute malicious code.

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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