Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bb2f51fdea3b12f…

MALICIOUS

PDF

12.8 KB
MD5: 581ca5b45f93cd1b55625d184a383001 SHA-1: 0e62bef619a0c66a52e2e1da5af7c8a338b0d32a SHA-256: 7bb2f51fdea3b12ff6b204ddb8ffc7136b4bc926d57f8e20b63e14e5542824e8
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The critical heuristic firing indicates a matched decoded XFA payload, and ClamAV detected it as Js.Exploit.HTML-30. The embedded URL is likely part of the exploit chain. The document body contains JavaScript-like syntax, suggesting the exploit attempts to execute script content.

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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