Malicious PDF — malware analysis report

Static analysis result for SHA-256 172b0318351aca55…

MALICIOUS

PDF

24.4 KB
MD5: 4580fd038132a56ab7dfd88419714859 SHA-1: 30b0527100072bb4d1fa684478d9aeb40097ded9 SHA-256: 172b0318351aca5502bf845e4cf7fea9c4a355d719e579c201ec889d80e6bd8f
160 Risk Score

Malware Insights

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

The file is a PDF containing an XFA form, which is known to be vulnerable to exploitation. Heuristics indicate a critical vulnerability (CVE-2010-0188) related to XFA forms and a ClamAV detection (Js.Exploit.HTML-30) suggests embedded JavaScript exploit code. The embedded URL is likely related to the XFA template, but the primary attack vector is the exploitation of the PDF reader.

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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