Malicious PDF — malware analysis report

Static analysis result for SHA-256 32551a0e9dc424c9…

MALICIOUS

PDF

12.6 KB
MD5: e09423de7799ad3f82e763b1bcfb4354 SHA-1: dcd89a4bcf90a86cc64e2432877dc5255db15d62 SHA-256: 32551a0e9dc424c900eadb056eb6d29a3c8ec6e4f34a4eb396dbb5c3636f415a
190 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

This PDF file is identified as malicious due to the critical heuristic firing for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. The embedded script payload, detected by PDF_EMBEDDED_SCRIPT_PAYLOAD and PDF_XFA_SCRIPT, likely facilitates the execution of a secondary payload. The embedded URL, while not directly malicious in reputation, is part of the exploit 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_00000359.bin
678b20a7847e41284e0679862f5433aa3aa04d3a8182fcfba0a09ecdb34b618b		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12185 bytes

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