Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ebae01d1497d23…

MALICIOUS

PDF

12.8 KB
MD5: 74e08cf48285939e391ca195dc501c6f SHA-1: 88c6ef4ab217749c89f53ac67bb72e80a2b8be2f SHA-256: 49ebae01d1497d23e388503ab7dd29660ae9051e38016eedd99c7f4f65fc21a0
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates an exploit targeting LibTIFF within XFA. ClamAV also detected it as Js.Exploit.HTML-30, suggesting embedded JavaScript is used in the exploit. The embedded URL is likely related to the exploit's 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: 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/