Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7a37ab4ab3f7f48…

MALICIOUS

PDF

89.6 KB
MD5: 03668ec68fd775a00f38e812f79eb006 SHA-1: adeb98750106fe220ccb128a889c06892389190d SHA-256: f7a37ab4ab3f7f4830a672d60db8cc4821a643c09cd4520912de3fb76ad42884
188 Risk Score

Malware Insights

The file is a PDF document that leverages the CVE-2010-0188 vulnerability in Adobe Reader's XFA forms. This exploit allows for the execution of an embedded script, which is characteristic of a malicious document designed to deliver a payload. The presence of XFA forms and embedded scripts strongly indicates an exploit attempt.

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_00000240.bin
cdbb14d958919c417d609706638d616f467da8eb5dcd3fad48967e5869bfac5c		 pdf-embedded-script PDF raw stream script payload at offset 0x240 91065 bytes

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