Malicious PDF — malware analysis report

Static analysis result for SHA-256 c278185b14461239…

MALICIOUS

PDF

24.1 KB
MD5: 1c47df923d6cd7af8c3aaff4f2b9664d SHA-1: 056633ce44474f4934f7b6535203f0ad0f560871 SHA-256: c278185b14461239c4c8d50743147b9414bdf1e1c7fb42de0b5e7b4fc4e76977
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of LibTIFF within Adobe Reader. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be used to load additional malicious content or be a decoy. The ClamAV detection further confirms its malicious nature.

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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