Malicious PDF — malware analysis report

Static analysis result for SHA-256 846e099296304cc8…

MALICIOUS

PDF

24.1 KB
MD5: 3f78937f9583530bbd6aa24db4268b4c SHA-1: 13f7d8d9f7e4d907e8b8a1246cc541437bcb88db SHA-256: 846e099296304cc824ddb274a82927de77cbb1af92344f4664a970cb280caa32
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 identified as malicious by ClamAV. Static analysis detected the use of XFA forms and a critical exploit for CVE-2010-0188, which targets a vulnerability in Adobe Reader's handling of LibTIFF images within XFA content. This indicates the file is designed to exploit a known vulnerability upon opening in a vulnerable PDF reader. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially be used in a broader attack chain.

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/