Malicious PDF — malware analysis report

Static analysis result for SHA-256 b37cf5a8db15c2a1…

MALICIOUS

PDF

13.9 KB
MD5: 0de1283f4f052d6f7984cd52bacbe587 SHA-1: 121b78e7cad789a1da3ed24f6f4fae4299fc016a SHA-256: b37cf5a8db15c2a19d4a955b094eb75312a92096a9062ca360616fa2408c23bd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. ClamAV also detected it as Js.Exploit.HTML-30, indicating embedded JavaScript exploit code. The embedded URL is likely related to the exploit delivery or a secondary payload. The XFA form structure and the specific exploit indicate a malicious document designed to compromise the user's system upon opening.

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/