Malicious PDF — malware analysis report

Static analysis result for SHA-256 5939616a1dfbdd03…

MALICIOUS

PDF

24.0 KB
MD5: 073ef2f09146ff12586fb775c4a50e97 SHA-1: 6976ed55f5a24d6c4d7b9d9a54c09f8169c4a2da SHA-256: 5939616a1dfbdd030a3bb7ebc193332615fabbdb3a88931330b2efe59b341a4e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The sample is a PDF document that utilizes XFA forms, triggering a critical heuristic for CVE-2010-0188, an Adobe Reader vulnerability. This indicates the document is designed to exploit this specific flaw upon opening. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit chain. The ClamAV detection further confirms its malicious nature.

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/