Malicious PDF — malware analysis report

Static analysis result for SHA-256 8da2bcd8b7b150bf…

MALICIOUS

PDF

14.5 KB
MD5: d1c9e33be00c0318a42619141881c275 SHA-1: 3b0e8df953b2848efe1134dafb7bb4c9d3be892d SHA-256: 8da2bcd8b7b150bffd9673ac93073937cf7d96504ac7abc0c9e5f7eb84df9641
128 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ClamAV (Js.Exploit.HTML-30). It contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing within XFA forms. The embedded URL, while seemingly benign, is part of the XFA template structure and not directly indicative of the payload delivery mechanism. The primary attack vector is the exploitation of the Adobe Reader vulnerability.

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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