Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a154d3db9adca55…

MALICIOUS

PDF

12.7 KB
MD5: f47f12bcc89758cd1ac68ef9579586ce SHA-1: 9f4cc541d279324fde0ac27ea0007ddc030bbb32 SHA-256: 6a154d3db9adca5596f70bee5dc1fbebf5ac7ea5454a607ed28dc74d53e1acf3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF that triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This exploit is known to be used for arbitrary code execution. The presence of XFA form elements and the ClamAV detection of 'Js.Exploit.HTML-30' further indicate malicious JavaScript execution within the PDF, likely to download and execute a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/