Malicious PDF — malware analysis report

Static analysis result for SHA-256 23e59fbd2a8000c4…

MALICIOUS

PDF

24.3 KB
MD5: 0e68e8c67ea3e06b6b9c7e20733085f4 SHA-1: a4d5c8af322a212c44fb7e2b1d7e43a40f4c2e91 SHA-256: 23e59fbd2a8000c4b164d08c14ffba398b8b671d9136cae14c04df5c8488edc5
128 Risk Score

Malware Insights

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

The PDF file contains an XFA form and triggers critical heuristics for CVE-2010-0188, indicating an exploit targeting Adobe Reader. ClamAV also detected it as Js.Exploit.HTML-30. The embedded URL is likely related to the exploit delivery or a secondary payload download. The exploit payload is likely JavaScript-based, as suggested by the ClamAV detection name.

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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