Malicious PDF — malware analysis report

Static analysis result for SHA-256 42a3d9344abcc8ca…

MALICIOUS

PDF

24.1 KB
MD5: c4c4351c9bacfcef166a7a8da8723193 SHA-1: e735a88cce5a64bdae4852ff3b866849a88b5e87 SHA-256: 42a3d9344abcc8cabc520a017ab90f3426c066d88daa38bbccfb351088b360e2
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 utilizes XFA forms, triggering a critical heuristic for the CVE-2010-0188 exploit. This indicates the file is designed to leverage a vulnerability in Adobe Reader to execute arbitrary code. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure and is associated with the exploit.

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/