Malicious PDF — malware analysis report

Static analysis result for SHA-256 d322fb7f6775a1c5…

MALICIOUS

PDF

24.2 KB
MD5: 172e7950020075fe8ab0361f3a9ec3f7 SHA-1: 993b5449503465ab139c8b105a03cddeb1699cef SHA-256: d322fb7f6775a1c5355bda24a5115b6d1f8d4ed01afea45cdad7e39e06746afc
128 Risk Score

Malware Insights

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

The sample is a PDF file that utilizes XFA forms, triggering critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. This indicates the file is designed to execute arbitrary code upon opening. The embedded URL, while seemingly benign, is part of the exploit chain. The PDF document body contains obfuscated JavaScript-like content, further suggesting malicious intent.

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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