Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ed6095b0d97e440…

MALICIOUS

PDF

24.1 KB
MD5: cd1f8caf399f48c50636a5b20434449d SHA-1: c0d99e87d48255ca7a6ed66a1523b3c02f801b0a SHA-256: 5ed6095b0d97e44047684dcf2e57c463144d7fe26f105dd2e74f53ce790cc6d6
160 Risk Score

Malware Insights

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

The PDF contains an XFA form that triggers the CVE-2010-0188 exploit, which is known to allow arbitrary code execution. The embedded URL, while seemingly benign, is present within the exploit context. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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