Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6d3c974f5a3a8a1…

MALICIOUS

PDF

24.1 KB
MD5: 3fdcc2037dc34a1c3818e9262819d8eb SHA-1: 4c5658d3a031f44198f50dab4034860004f1c415 SHA-256: d6d3c974f5a3a8a175461ca2ab411839c6f49ee1d3cd3c4eb52508032a8d25e7
130 Risk Score

Malware Insights

The sample is a PDF file that contains XFA (XML Forms Architecture) data. Heuristics indicate a critical vulnerability, CVE-2010-0188, which is an Adobe Reader LibTIFF XFA image exploit. This exploit is likely used to download and execute a second-stage payload. The embedded URL is likely part of 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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