Malicious PDF — malware analysis report

Static analysis result for SHA-256 88255a9c279f5202…

MALICIOUS

PDF

24.1 KB
MD5: f2e50f8798caf5d9cfba28230bf8ed1a SHA-1: 57c00c13304fabbf301d7de7ca99339b36d2f8df SHA-256: 88255a9c279f520257d281a5a1231bba712b4d8ed49b46ba8d5b1152b1845464
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF that contains an embedded XFA form, which is exploited by CVE-2010-0188. This vulnerability allows for arbitrary code execution, and the ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL is likely related to the XFA template, but its direct role in payload delivery is unclear.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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