Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e32c3cf11970a8a…

MALICIOUS

PDF

12.9 KB
MD5: f4e088d23aa73878f19659635f750708 SHA-1: f580e51484f678aaba564d00b5d4d4444478296f SHA-256: 1e32c3cf11970a8a22d3d4c4ebaab51771736aed61ec7b6ce567ee8cfbec0b67
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, indicating an exploit targeting Adobe Reader's LibTIFF component. ClamAV also detected it as Js.Exploit.HTML-30. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit delivery mechanism. The script content is too obfuscated to determine its exact payload, but the overall pattern suggests a malicious document designed to exploit a known vulnerability.

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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