Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cbc9cfd644b77aa…

MALICIOUS

PDF

20.2 KB
MD5: e82154c2dbc7a8a101624ee59bf0d3a2 SHA-1: d72c87eb1e90bb0fe40b9a23768d3d0f05905e87 SHA-256: 4cbc9cfd644b77aad625804d86fe27bf3620b60f1d477b6e8b903509ca0e1153
130 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 exploitation. Static analysis detected a critical heuristic firing for CVE-2010-0188, indicating exploitation of a vulnerability in Adobe Reader's LibTIFF component. ClamAV also identified the file as malicious (Pdf.Exploit.Agent-36826). The embedded URL is likely related to the XFA template, but its specific role in the exploit is not detailed.

Heuristics 5

  • 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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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