Malicious PDF — malware analysis report

Static analysis result for SHA-256 66bfcebeba803768…

MALICIOUS

PDF

24.1 KB
MD5: 997d91718551f631781a9319980fffd2 SHA-1: 486ca55d4dcbafaa841ba81b83f3e4d08532e9af SHA-256: 66bfcebeba803768db7ac3e435e57986764a8befa39891bef418b9dd6951ccaa
160 Risk Score

Malware Insights

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

The file is a PDF that triggers the CVE-2010-0188 exploit, targeting Adobe Reader's LibTIFF component. The embedded XFA form contains obfuscated JavaScript that attempts to download and execute a payload. The URL http://www.xfa.org/schema/xfa-template/2.5/ was found within the document.

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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