Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b794e7011726951…

MALICIOUS

PDF

24.1 KB
MD5: 12113e999fa09eec37b45793ac74af03 SHA-1: ea022c5e27da92d615d98ee0deb9d5f131f4ab89 SHA-256: 5b794e7011726951d197efc2dcdc91079718a9f65cc7abffbc0c9a984189bca3
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 XFA form and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader exploit targeting LibTIFF. This indicates the file is designed to exploit a vulnerability for client execution. The embedded URL is likely related to the XFA template, but its reputation is unknown. No scripts were extracted, and the document body is obfuscated.

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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