Malicious PDF — malware analysis report

Static analysis result for SHA-256 efad04943b77107c…

MALICIOUS

PDF

23.9 KB
MD5: 1a2df972add36ea846f34d75dd5905d1 SHA-1: 45072f180e96778cbf63c86c17c4c85c5e5bae4a SHA-256: efad04943b77107c813ea2d8746cad5a031b084eabd2bb947e451b06d56b1edd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The critical heuristic firing for CVE-2010-0188 indicates that this PDF exploits a known vulnerability in Adobe Reader related to XFA forms. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Exploit.Dropped-78. The script content appears to be obfuscated JavaScript or XFA form logic, likely involved in triggering the exploit.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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