Malicious PDF — malware analysis report

Static analysis result for SHA-256 851249d1ae4e586b…

MALICIOUS

PDF

24.1 KB
MD5: c87a74bab67534a83ae49f5920007abd SHA-1: c97ebdc4c9f73c392c67ea1f8a5fe3e0971d82f0 SHA-256: 851249d1ae4e586b3b80775acaa348896d1cb56e561cd7235b90ab9391ec3a8e
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 critical heuristic firing indicates a match for CVE-2010-0188, an exploit targeting LibTIFF within Adobe Reader's XFA processing. This exploit allows for arbitrary code execution. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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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