Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4583104b6f44df8…

MALICIOUS

PDF

12.8 KB
MD5: a8fd2ae3e5f34d71860ad11500d3fa2f SHA-1: ab88af276547d2f94f118f300738ea35003da12b SHA-256: d4583104b6f44df88dede7355cc2e3c1db83cac347586fe3e1f725257aa9e61d
128 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious due to the presence of XFA forms and a critical heuristic match for CVE-2010-0188, indicating an exploit targeting Adobe Reader. Additionally, ClamAV detected it as Js.Exploit.HTML-30. The embedded URL, while seemingly benign, is associated with XFA templates and may be used in conjunction with the exploit. The exploit likely downloads and executes a second-stage payload via JavaScript.

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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