Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bf7dd45043a5086…

MALICIOUS

PDF

12.8 KB
MD5: 161a3b072c3ca072b99a9c6f9d7b070f SHA-1: abf04e1360e293966224727710b2dd4e7c5c71a6 SHA-256: 8bf7dd45043a5086cb5f1fc2d3b2687d1b482b1ff80cf5ad22ce5128f725154b
128 Risk Score

Malware Insights

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

This PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. ClamAV also identified it as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL, while seemingly benign, is part of the exploit chain. The primary intent appears to be the download and execution of a second-stage payload.

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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