Malicious PDF — malware analysis report

Static analysis result for SHA-256 f891e0535e11b37e…

MALICIOUS

PDF

24.1 KB
MD5: 4b2610ffd065ebccb700a5649a8e119b SHA-1: 3ed59e3b877955319abe714e139e5f8d7c535ed5 SHA-256: f891e0535e11b37e0cf619ee55f0841f26e33dd35ca721a8169175b468d3f2d3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA image parsing. The embedded URL is likely related to the XFA template. The heuristic firings and the nature of the exploit strongly indicate malicious intent.

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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