Malicious PDF — malware analysis report

Static analysis result for SHA-256 163c835fb8f0aa8b…

MALICIOUS

PDF

16.5 KB
MD5: f94ff98faa84c4cc5f1b3f77397eed9f SHA-1: b39bbc58f16e218a8a82b20140dfaeabc7ae34c6 SHA-256: 163c835fb8f0aa8b2e5f134aeb5c75aca4c9cf2e4aa9e04b3247965f891445a2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains an XFA form and triggers the critical heuristic for CVE-2010-0188, indicating exploitation of Adobe Reader. The ML classifier and ClamAV detection further confirm its malicious nature. The embedded URL, though seemingly benign, is part of the XFA structure and may be used in conjunction with the exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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: Pdf.Exploit.Agent-36835 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36835
  • 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/

Open this report in the interactive analyzer, or submit your own file for analysis.