Malicious PDF — malware analysis report

Static analysis result for SHA-256 2172cce140adbfa2…

MALICIOUS

PDF

12.7 KB
MD5: 7cb4bdeafc8e0d60a972d419cddb8012 SHA-1: 84091cc4df084ee25868eb7e900374436a49e5db SHA-256: 2172cce140adbfa207dfa096418de5fbae7b064d2e123cea4b6cf6b1baf43bec
128 Risk Score

Malware Insights

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

The critical heuristic firing for CVE-2010-0188 indicates exploitation of Adobe Reader via an XFA form. The ClamAV detection 'Js.Exploit.HTML-30' further suggests JavaScript-based exploitation. The embedded URL, while benign-looking, is part of the XFA structure. The script logic, though partially obfuscated, appears to be involved in the exploitation process, likely downloading and executing 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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