Malicious PDF — malware analysis report

Static analysis result for SHA-256 638799cb6743c5ac…

MALICIOUS

PDF

24.3 KB
MD5: 6e06db8b1549c967a8065c770b24d181 SHA-1: 9ea172430c0dcbd8cc9f50da8c662beb139e22b2 SHA-256: 638799cb6743c5acd6a0b99de312822e6e11691fe5dee0916aafcea9d82edec1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by multiple engines, including ClamAV and a machine learning classifier. Critical heuristics indicate exploitation of CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component related to XFA forms. This suggests the document is designed to deliver a second-stage payload upon opening in a vulnerable application.

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/

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