Malicious PDF — malware analysis report

Static analysis result for SHA-256 de11eda847a2655c…

MALICIOUS

PDF

111.4 KB
MD5: 2e3bc88531c8cd8120f38218dee30778 SHA-1: 8bf970eefea020349a774da55ff0dfec6b7a1943 SHA-256: de11eda847a2655ca6511c8cb683f20801bb15b377a80443be758530b3e865a7
190 Risk Score

Malware Insights

MITRE ATT&CK
T1204 User Execution

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. The embedded script payload, detected by heuristics, is designed to execute the exploit, leading to the download and execution of a secondary malicious payload. The presence of XFA forms and embedded scripts strongly indicates an exploit delivery mechanism.

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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000238.bin
9cf5906591a8e66b32212a6ed8951607ca4a43a91c4f382e5741991df4cbbf87
pdf-embedded-script PDF raw stream script payload at offset 0x238 113399 bytes