Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb7a5eb1dc324305…

MALICIOUS

PDF

31.9 KB
MD5: 64de65004867480665efeeb3a152d1ca SHA-1: e1b2ac96da66ab17db346626b2b62d394d102f5e SHA-256: eb7a5eb1dc32430526d11ce379f41d443ffacc225bb20ba988b42371af48a3b2
128 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious, containing an XFA form that triggers the CVE-2010-0188 exploit. ClamAV also detected it as Js.Exploit.HTML-30, indicating a JavaScript-based exploit. The embedded URL, while seemingly benign, is part of the exploit's structure. The exploit likely leads to the execution of a secondary payload, though the exact nature is not detailed in the provided evidence.

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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