Malicious PDF — malware analysis report

Static analysis result for SHA-256 4186f9e9f0809b8f…

MALICIOUS

PDF

12.8 KB
MD5: f8eacf4c58705b51ad774388f62dce21 SHA-1: 69bac02fa5d9f4e9314e8877dd0d4ec0dcf0ee3e SHA-256: 4186f9e9f0809b8f53331fafe7945af006c199761ef2dd26d01a4f4380a088d4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. Additionally, ClamAV detected it as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL is likely part of the exploit chain.

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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