Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e4e8f476a6c55ff…

MALICIOUS

PDF

14.2 KB
MD5: 6194c51a4e3cdde97fb6c52ee570d991 SHA-1: dc5795ece3683aedbaa7acc85801a28eca0d61af SHA-256: 4e4e8f476a6c55ff936df7d92c2675b192b2c9cf2ef79e143cf330f865e7310e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file contains an embedded XFA form and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. Additionally, ClamAV detected it as Js.Exploit.HTML-30. The embedded URL is likely part of the exploit chain. The document body appears to be obfuscated JavaScript, suggesting the exploit attempts to download and execute 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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