Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc1201ab9215b56b…

MALICIOUS

PDF

12.6 KB
MD5: fd461d1e068b02debdf87319599e3918 SHA-1: 8c3f6ecec790c23dd870559f8e3885bdc82c0cad SHA-256: dc1201ab9215b56bbbfff44c0380bc9a70ec4d5c81d5207df5f61767983f02dc
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains an XFA form that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. An embedded script is present within the XFA form, indicating the likely intent to download and execute a second-stage payload. The ClamAV detection 'Pdf.Exploit.Agent-6136306-0' further supports the malicious nature of this file.

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_00000359.bin
ae1a66f4f4b8ce3c63908e163c69831f1995029a8a54a8564183f7eb402b658f		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12185 bytes

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