Malicious PDF — malware analysis report

Static analysis result for SHA-256 96717c8248c2aa3c…

MALICIOUS

PDF

24.1 KB
MD5: 39b1a9293eee6bdf5029a9de649aea15 SHA-1: 3767d3f54a9b42f4cbcdfea24b7227c636ee867e SHA-256: 96717c8248c2aa3c6dd82af6921c32b4ae930ba47cff03afb6baa1c820fe2d49
128 Risk Score

Malware Insights

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

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected the use of XFA forms and a critical vulnerability, CVE-2010-0188, which is an exploit targeting Adobe Reader's LibTIFF component. This indicates the document is designed to be opened with an vulnerable PDF reader to trigger the exploit and download a second-stage payload. The embedded URL, while seemingly benign, is part of the exploit 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/