Malicious PDF — malware analysis report

Static analysis result for SHA-256 feeda89fe8c3ff3b…

MALICIOUS

PDF

12.8 KB
MD5: fd3b7e45aba8b330d404cd5d697db1d7 SHA-1: ae3932fadd82f7306ae67072ea34f1ab12dac8d2 SHA-256: feeda89fe8c3ff3bad283dce5f5fc4dd6352ee2c727d3d91d4a53e276b245a5b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains XFA form elements and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. A ClamAV heuristic also flags it as a JavaScript exploit. The embedded URL, while likely benign in isolation, is present within the document structure. The combination of these factors strongly suggests the PDF is designed to exploit this vulnerability and likely download 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/