Malicious PDF — malware analysis report

Static analysis result for SHA-256 273d564197f8c91a…

MALICIOUS

PDF

24.1 KB
MD5: d2d999d070730613137cbe8f1d5cf00c SHA-1: 1d3e377b5fe90526d553204545c49c5f1622f13d SHA-256: 273d564197f8c91afff394499bfd1a2cb2995d16dbb470e19b0d3cc956b17511
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter T1059.001 PowerShell

The sample is a PDF file that leverages the XFA form feature to exploit CVE-2010-0188 in Adobe Reader. This vulnerability allows for arbitrary code execution. The embedded URL is likely related to the XFA template, but the primary attack vector is the exploit itself. No scripts were extracted, but the exploit payload is indicative of a downloader or initial access mechanism.

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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