Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b95ffa9ce895d8b…

MALICIOUS

PDF

24.2 KB
MD5: 8b6d1bad368ef40157d51f7d52f0efb6 SHA-1: d5a51765d4f7c29e148fa242118a69bca1893ff6 SHA-256: 3b95ffa9ce895d8b70eedb0b7b420819b8a218a6990bce7661ee4c186e4b7892
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a PDF file that triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit a vulnerability in the reader application. Additionally, a critical ClamAV heuristic identified it as Js.Exploit.HTML-30, suggesting JavaScript-based exploitation. The embedded URL, while seemingly benign, is part of the XFA template structure that facilitates 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: 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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