Malicious PDF — malware analysis report

Static analysis result for SHA-256 f86cfd6e1cc21817…

MALICIOUS

PDF

24.1 KB
MD5: bf3e68d85a9d7789e11f5adf87090b45 SHA-1: 8ae74340a26876c487587086a605c6862a814d05 SHA-256: f86cfd6e1cc218179b62b3cb5c301a00b509a0cfd5f687a03205bd9cc1423288
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 that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. This exploit is designed to download and execute a malicious payload. The embedded URL, while seemingly benign, is associated with XFA templates and likely served as a lure or 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/