Malicious PDF — malware analysis report

Static analysis result for SHA-256 74e7ba21173b4c0b…

MALICIOUS

PDF

12.7 KB
MD5: 18008479e01a7b7e31cde9835a6b9f38 SHA-1: 715676fc7ae5428a9f8c9b8884089b743fd03dce SHA-256: 74e7ba21173b4c0b55857529fdb0e75d287764039749ec2510f87b9a1fdbd193
160 Risk Score

Malware Insights

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

The PDF file contains an XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to execute embedded JavaScript, as indicated by the ClamAV detection 'Js.Exploit.HTML-30'. The ML classifier also strongly flagged this PDF as malicious. The embedded URL is likely related to the XFA template but does not appear to be directly malicious.

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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