Malicious PDF — malware analysis report

Static analysis result for SHA-256 425c5e5c040c5f7c…

MALICIOUS

PDF

13.9 KB
MD5: 05245979ca5b137b80b6f05b7bd74459 SHA-1: 77fb63af7ee6ecae90a341c17a64a65ed0df66f4 SHA-256: 425c5e5c040c5f7ca626d734ceceec808108e0f320c0bad23e95d1e6db5ad5fd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF document that utilizes XFA forms and exploits CVE-2010-0188, a known vulnerability in Adobe Reader. ClamAV detected it as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL, while seemingly benign, is part of the exploit chain. The script logic, though obfuscated, suggests it's designed 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: 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/

Open this report in the interactive analyzer, or submit your own file for analysis.