Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb300f7c38a47294…

MALICIOUS

PDF

24.1 KB
MD5: a76023f46161ec657a996d34854e6d3c SHA-1: 18197c149329aa2ea4b3a35127e2239ee2f3b39a SHA-256: bb300f7c38a472942453472541a9c7ef93739080308c5464ecfba8dc40a52c8a
128 Risk Score

Malware Insights

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

The sample is a PDF document that contains an embedded XFA form, which is a known vector for exploiting the CVE-2010-0188 vulnerability in Adobe Reader. The exploit targets the LibTIFF component to achieve code execution. ClamAV also detected this file as Pdf.Exploit.Agent-36821, confirming its malicious nature. The embedded URL, while likely benign in isolation, is associated with the XFA template structure.

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/