Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf7f7c061953fa93…

MALICIOUS

PDF

24.1 KB
MD5: 087dce2236e32dd8f31fb28a6477f325 SHA-1: 10aaa3cbe5b75dfa96b240516beac61e73b46977 SHA-256: cf7f7c061953fa933746818f33ff6a4fee60fb8ea6c58758a22cca19e6b17f6c
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's handling of LibTIFF images within XFA forms. This exploit is designed to execute arbitrary code. The embedded URL, while seemingly benign, is associated with XFA schemas and could be a lure or part of the exploit chain. No scripts were extracted, but the critical heuristic firings strongly indicate a client-side exploit.

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/