Malicious PDF — malware analysis report

Static analysis result for SHA-256 95bfed5b496ff8d2…

MALICIOUS

PDF

24.1 KB
MD5: 0b2ba86af7ec4181ba76d3aee3fc2879 SHA-1: efc9bef2cf8e347735b23c6ef1b601ae5cefdfe1 SHA-256: 95bfed5b496ff8d2419bcf4ec8c99e83b4b17ab9621b45caa378dff8508d3e35
128 Risk Score

Malware Insights

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

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader's XFA form processing. This exploit is designed to download and execute a second-stage 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/

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