Malicious PDF — malware analysis report

Static analysis result for SHA-256 2933296401fd8933…

MALICIOUS

PDF

12.8 KB
MD5: b8849e20fbc5d165bd9e6191f75fbc39 SHA-1: 58dd955fc6da807e7153eb10cfd8ad4e8a456195 SHA-256: 2933296401fd8933bfd5121fe7289a939482001d18f124e739041a50c270762a
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. Heuristics indicate an embedded script payload within an XFA form, strongly suggesting the document is designed to execute malicious code upon opening. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure.

Heuristics 6

  • 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.
  • XFA form contains executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000384.bin
cef201fd4f6735beefe3e1d9c45160ce4aad5bd978312111e3c7231cb2056f9b		 pdf-embedded-script PDF raw stream script payload at offset 0x384 12288 bytes

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