Malicious PDF — malware analysis report

Static analysis result for SHA-256 00675fea8f72d5d4…

MALICIOUS

PDF

28.6 KB
MD5: f162d070690159bc01361501599e7ecb SHA-1: 3fd514d4bdf9ee36a08a0fcf80d7fc0b42cd6a4f SHA-256: 00675fea8f72d5d40904d16896d04c0e761d929cbc09691b575548c702ae8f56
200 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter

The file is a PDF containing an XFA form, which is known to be a vector for exploits. Heuristics indicate a critical vulnerability (CVE-2010-0188) related to Adobe Reader's LibTIFF component and an XFA numeric stager. ML classification strongly flags it as malicious. The embedded URL is likely part of the exploit chain, though its exact function is not detailed by the heuristics.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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: Pdf.Exploit.Agent-36825 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36825
  • XFA numeric character-table eval stager high PDF_XFA_NUMERIC_EVAL_STAGER
    PDF XFA initialize script reads numeric form data from rawValue, maps the values through a short character table, and evals the reconstructed stage. This is an exploit-kit staging technique even when the final decoded layer remains encoded.
  • 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/