Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2cee857bbfd4edb…

MALICIOUS

PDF

67.3 KB
MD5: ba14991401aefedb2b705af28bfce83d SHA-1: d329a9b20906d32696a1ac768884fc0318023501 SHA-256: e2cee857bbfd4edba3b8dcda4388a26b7d396e29c613a92bcb6b4d12052b000f
128 Risk Score

Malware Insights

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

The sample is a PDF document that utilizes an XFA form, triggering the critical heuristic for CVE-2010-0188, indicating exploitation of Adobe Reader. ClamAV also detected it as Pdf.Exploit.Dropped-78. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit delivery mechanism. The exploit targets client execution to download and run a secondary 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: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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