Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ebffe5ea1de6490…

MALICIOUS

PDF

24.1 KB
MD5: 1fa2ba38854045c4040d44d7bd529161 SHA-1: f79658b5c01faaa4e3638da6a7db49ff3103e611 SHA-256: 9ebffe5ea1de6490afeb5fca7c8c31b0bc9bf24f9aaabd4ae33636f06f16f723
128 Risk Score

Malware Insights

The PDF sample contains an XFA form that triggers a critical vulnerability, CVE-2010-0188, which is known to be used for delivering malware. ClamAV also detected this file as Pdf.Exploit.Agent-36821. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be used in conjunction with the exploit.

Heuristics 4

  • 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
  • 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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