Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e4d17174b6275ec…

MALICIOUS

PDF

89.9 KB
MD5: ff362efe76c41ac129ebf6ad4cae8e04 SHA-1: eddfea7043789aab27a715ea35917a18a5a05754 SHA-256: 3e4d17174b6275ecfa358baaaa02e89e3f16496f14090e24b918f8db7cee96f6
248 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059 Scripting T1059.007 JavaScript

This PDF file exploits CVE-2010-0188 via an XFA heap spray, a known vulnerability in Adobe Reader. The embedded XFA script is designed to trigger this exploit, likely leading to the execution of a second-stage payload. The ClamAV detection of Pdf.Exploit.Agent-6136306-0 further confirms its malicious nature.

Heuristics 7

  • 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 risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • XFA JavaScript heap-spray exploit code critical PDF_XFA_HEAP_SPRAY
    PDF contains XFA script content with heap-spray or shellcode-like JavaScript markers such as large encoded word sequences, util.pack, large arrays, or spray variable names. This is a weaponised Adobe Reader exploit pattern, not a normal interactive form.
  • 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_0000023c.bin
ef66fdd9b5e3bdfea1cad261b84e76bebb40aec1bd2bde270b0dcae2881fd83c		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 91392 bytes

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