Malicious PDF — malware analysis report

Static analysis result for SHA-256 70dc7904d85ca060…

MALICIOUS

PDF

12.8 KB
MD5: abdaf8397061ca80cb6c3de910f35e98 SHA-1: 92304a4f85a4e630196eef9f75ee0ae847edae36 SHA-256: 70dc7904d85ca0602ae4dea8f410de2b5c5f14cca3b3348ee82f8ac3de05d64a
160 Risk Score

Malware Insights

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

The file is a PDF that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit is known to be used for arbitrary code execution. The presence of XFA form elements and embedded JavaScript, flagged by ClamAV as Js.Exploit.HTML-30, indicates the likely execution of malicious JavaScript to download and run 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/