Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3a28a6fbf0bda2c…

MALICIOUS

PDF

24.2 KB
MD5: 280c5ad5e2044f4e413c07253f63f803 SHA-1: 743537aec11334e7dfb34f264c2d227459830934 SHA-256: a3a28a6fbf0bda2c84ad51a85ccb72412281eb63904cefc4f36bf3ffa3b5dbaa
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1559.001 Component Object Model Hijacking

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting XFA forms and LibTIFF in Adobe Reader. This exploit is designed to achieve arbitrary code execution. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure and is associated with the exploit delivery mechanism. ClamAV also identified this file as Pdf.Exploit.Agent-36821.

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-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
  • 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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