Malicious PDF — malware analysis report

Static analysis result for SHA-256 746e5febd8f761be…

MALICIOUS

PDF

24.7 KB
MD5: b66753236c85c7ab5aa0758d56784229 SHA-1: c3ab3d6fdef717355f35ebaed0029c5f4c74e7d2 SHA-256: 746e5febd8f761bed12b64894ed45b31efe453f65355261267d5660d7d9dee6f
160 Risk Score

Malware Insights

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

The file is a PDF identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This exploit is often used to download and execute further malicious content. The presence of XFA form elements and a ClamAV detection of Js.Exploit.HTML-30 further support the exploitation of client-side vulnerabilities, likely involving embedded JavaScript.

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/

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