Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac094ff3c5474b5e…

MALICIOUS

PDF

24.1 KB
MD5: 83e1406373cc263d6ff89aa58b781e65 SHA-1: 726879eb16d5a5da92248212133f897c5006a7eb SHA-256: ac094ff3c5474b5e0bd8bf8cc8496b066d3cc81576432f32c1e5e6f4a1ff2ab6
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell T1204 User Execution

The PDF file contains embedded XFA (XML Forms Architecture) data, which is exploited by CVE-2010-0188 in older versions of Adobe Reader. The heuristic firings indicate a critical exploit targeting this vulnerability. The embedded URL, though seemingly benign, is often used in conjunction with such exploits. The obfuscated JavaScript within the document body, when decoded, appears to be constructing a URL and potentially executing it, suggesting a downloader or dropper functionality.

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/