Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f743544e12fd38e…

MALICIOUS

PDF

24.1 KB
MD5: 63c27f01db04c9c616f1ee1ce3874c71 SHA-1: 2d160b8c007213d01fc3b3f451f919bb9b758922 SHA-256: 0f743544e12fd38ef59cecfa5567477540ed3a620617cd1da74284ea45299675
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader exploit targeting XFA forms. The presence of XFA content and the exploit firing strongly suggest exploitation for client execution. ClamAV also detected it as Js.Exploit.HTML-30, indicating embedded JavaScript is likely involved in the exploit chain, potentially downloading a secondary payload.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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