Malicious PDF — malware analysis report

Static analysis result for SHA-256 acbb6e9a3cba737b…

MALICIOUS

PDF

24.1 KB
MD5: 32eb12e86a7d49a8ff3f2811e430820c SHA-1: 2ea59c12974dafd5fff1af85c76e651ec65232c6 SHA-256: acbb6e9a3cba737b4da7a92ee0cfb2d76e48d5a76d7b41a0c7785004ded87722
128 Risk Score

Malware Insights

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

The file is a PDF document that contains an XFA form, which is a known vector for exploiting vulnerabilities. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to exploit this vulnerability upon opening. The embedded URL, while benign in reputation, is part of the XFA structure and likely related to the exploit delivery mechanism.

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-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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/