Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d060d9bbb742457…

MALICIOUS

PDF

12.8 KB
MD5: 9d7b5d0e9f09401709fba06d6af4e8b9 SHA-1: 40ce5106c9039cb0d0f0fca75d854be9cbb95665 SHA-256: 1d060d9bbb742457908995f39883862fee81fdcc7d4b2282be45423642ca517d
128 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by ClamAV (Js.Exploit.HTML-30). Static analysis indicates it exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF. The embedded URL, while likely benign in isolation, is part of the exploit chain. The XFA form structure suggests an attempt to deliver a malicious payload.

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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