Malicious PDF — malware analysis report

Static analysis result for SHA-256 be5eb3184bee352b…

MALICIOUS

PDF

66.5 KB
MD5: aaa3d9b19cf9e51eded92d8e7312e8f4 SHA-1: c43666aba878632bbe09176f75f03382c4ce8603 SHA-256: be5eb3184bee352b7a3d9b27fb6ef0adabe04ae84c80cf35ab2a18380067b254
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is a known vector for exploitation. Static analysis identified a critical heuristic firing for CVE-2010-0188, indicating exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. ClamAV also detected this as Pdf.Exploit.Dropped-78. The embedded URL is likely related to the XFA template, but no direct payload URL was extracted.

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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