Malicious PDF — malware analysis report

Static analysis result for SHA-256 743942114c4e07fd…

MALICIOUS

PDF

24.2 KB
MD5: 41efae51b10463c97b57c57bf987854b SHA-1: 1d7a19dc24b07e5b1d59fc6680dc357a09b3b0c5 SHA-256: 743942114c4e07fdaf908e914f827566a0ba8280487002f09502787f2f58ce16
160 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by multiple engines, including ClamAV and an ML classifier. Critical heuristics indicate exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The embedded URL is likely related to the XFA template, but the primary threat stems from the exploit itself, which is designed to achieve code execution.

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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