Malicious PDF — malware analysis report

Static analysis result for SHA-256 a003a7873338a1f4…

MALICIOUS

PDF

24.1 KB
MD5: 89fdd7613c35dbd8bb3427e263568f4a SHA-1: 6e20f5db39536ddafb41574c7611044e1e7151fa SHA-256: a003a7873338a1f4977116e58149ce553c0eecd9a0dff2f49327a434f794062c
128 Risk Score

Malware Insights

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's handling of XFA forms. The heuristic firings indicate the exploitation of a known vulnerability within the LibTIFF component of Adobe Reader. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure. The document body contains obfuscated JavaScript-like code which, when deobfuscated, likely 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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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/