Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b59fdcc9fe49f44…

MALICIOUS

PDF

24.1 KB
MD5: 3a67bed1293959174820c3cae7d43cb9 SHA-1: e9d77f67f92811a013177fc544b61174013e24a9 SHA-256: 1b59fdcc9fe49f442ba4a1a79bde1d2bb4490ddd317af3dd466b4b2e99b74cf5
128 Risk Score

Malware Insights

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

The sample is a PDF file that triggers critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's XFA form processing and LibTIFF component. This indicates the file is designed to execute arbitrary code upon opening in a vulnerable reader. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in conjunction with the exploit. No scripts were extracted from this sample.

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/