Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb20bdfa6081d7ca…

MALICIOUS

PDF

24.1 KB
MD5: dcf0a192b6f1e2e0a0d40f29d621ce21 SHA-1: 31f71712a157bf1574d334ea5dec1b3409486d5c SHA-256: eb20bdfa6081d7caddfe7bf0bbfb7614aa2d20cbbd34cd316cf70386df0fb72c
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The file is a PDF document that contains an XFA form, which is a known vector for exploiting vulnerabilities. Specifically, the critical heuristic firing indicates the use of CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This exploit likely downloads and executes a second-stage payload. The embedded URL, while not directly malicious in reputation, is associated with XFA templates and could be part of the exploit chain.

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/

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