Malicious PDF — malware analysis report

Static analysis result for SHA-256 68cf48851719c80e…

MALICIOUS

PDF

24.1 KB
MD5: ef3e6b7ccfbf67138e85d63db976c77b SHA-1: f9da961140a4abe362f7447688c5a3c2fa06f8da SHA-256: 68cf48851719c80e31f1c6d4c3f194805880738b18fcbd495895957296cdc25e
160 Risk Score

Malware Insights

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

The PDF file contains an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader for client-side code execution. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, while benign in reputation, is part of the XFA structure and likely used in the exploit chain.

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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