Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9e4bcfd0374cac6…

MALICIOUS

PDF

24.1 KB
MD5: b4a732845cd929ef340ee9b391254292 SHA-1: 22155444ee6457ba5e8586985f3bc1b2fc5694bf SHA-256: b9e4bcfd0374cac60d4fe0dd6a3ff3057c767c2bb00e9298db93b4a7e6e39e9f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's LibTIFF processing. This exploit is known to be used for arbitrary code execution. The embedded URL, while seemingly benign, is part of the XFA structure and could be used in conjunction with the exploit. The document body contains obfuscated JavaScript-like code that 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/