Malicious PDF — malware analysis report

Static analysis result for SHA-256 30caa8a416550bbf…

MALICIOUS

PDF

24.2 KB
MD5: 635f7f470130decaad84466ad1bdb939 SHA-1: 00628f90e00bde057dc057f2d950136bce785a00 SHA-256: 30caa8a416550bbffd721ce1d02d025b5fc7a54591fd90022587e579b7f1e4cc
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains embedded XFA (XML Forms Architecture) content. Heuristics indicate a critical vulnerability, CVE-2010-0188, related to the LibTIFF library within Adobe Reader's XFA processing. This exploit is likely used to download and execute a second-stage payload. The embedded URL, while not directly malicious in reputation, is part of the XFA structure and may be involved in the exploit chain.

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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