Malicious PDF — malware analysis report

Static analysis result for SHA-256 c43cf45aae4fa15a…

MALICIOUS

PDF

24.1 KB
MD5: fb3c890895a4489e525a616172bbe558 SHA-1: 83764a9147a845380f0d3213a1179f73c17cbb86 SHA-256: c43cf45aae4fa15ac97fc325b47c9e2b52f155a5c91ba172a99ac7c79b5504dc
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1559 Component Object Model Hijacking T1559.001 Component Object Model Hijacking

The file is a PDF document that contains an XFA form, which is known to be a vector for exploits. Specifically, the heuristic 'CVE_2010_0188' indicates a LibTIFF XFA image exploit targeting CVE-2010-0188. This exploit likely downloads and executes a second-stage payload. ClamAV also detected this file as 'Pdf.Exploit.Agent-36821'.

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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