Malicious PDF — malware analysis report

Static analysis result for SHA-256 c68fcfa50436b379…

MALICIOUS

PDF

24.1 KB
MD5: e5bb65634d79f9493a755ecb20490d13 SHA-1: fcd0d5663454c6b2b923bcdb26e79686a11b8575 SHA-256: c68fcfa50436b379468da7c32a9cb11c5486c2706a4dbbcd376d49e50107c441
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 exploiting vulnerabilities in Adobe Reader. Specifically, the critical heuristic firing indicates exploitation of CVE-2010-0188, a vulnerability in LibTIFF related to XFA images. This exploit likely leads to arbitrary code execution. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery URL.

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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