Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e745c2d1469a5c0…

MALICIOUS

PDF

24.1 KB
MD5: 5f0027457c9845a1ed5a51b573ce8ddf SHA-1: 38cf15aff94f2ba22b93be666bb6a731cb9f4d3a SHA-256: 4e745c2d1469a5c0e7a16e165acaac413b217a1241d4793106ade966e0dc7bb4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF file that triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit a vulnerability in older versions of Adobe Reader when processing XFA forms. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be used to load additional malicious content or resources.

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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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/