Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f8193c4b1e740c4…

MALICIOUS

PDF

67.3 KB
MD5: 1a975525e53aa7bf9265c92aa72ed639 SHA-1: af09beee3f85f255e7835dea047c9134dcad22f9 SHA-256: 5f8193c4b1e740c458aa2d0e4d27d354803c128d57fcc0e3b0803c29d51525c6
160 Risk Score

Malware Insights

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

The file is a PDF containing an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader for client-side code execution. The embedded URL is likely related to the XFA template but does not appear to be directly malicious. 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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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