Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc0b4285f8aac074…

MALICIOUS

PDF

31.6 KB
MD5: d643af6c9917bf32096bf35d6c808788 SHA-1: 42f33a5dc7cf1b4ffecefb6cf7fbbc0a20656a82 SHA-256: cc0b4285f8aac074034c97f830ad39701c888634a03c336255c20dd963fa9012
158 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.001 PowerShell

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. ClamAV detected it as Js.Exploit.HTML-30, indicating embedded JavaScript is likely used for exploitation. The embedded URL, while seemingly benign, is part of the XFA template 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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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