Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bc9354bb407e8bd…

MALICIOUS

PDF

16.3 KB
MD5: aae4073f8d4f04dc65fb4bf8d515e09f SHA-1: 7960d0cae0a407a2511e6c9757741abad2bdb33b SHA-256: 3bc9354bb407e8bdb1c25381da93a7e1e052074bffa90cc100cdfde5a6848337
188 Risk Score

Malware Insights

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

The PDF file contains an XFA form which is exploited by CVE-2010-0188, a known vulnerability in Adobe Reader. The embedded script within the XFA form is likely responsible for executing the malicious payload. The embedded URL, while not directly malicious in reputation, is part of the XFA template 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
864b804d2224372ee9710f17fa89ce5d2275cb963cf7d74cac9da841b6f0c40d		 pdf-embedded-script PDF raw stream script payload at offset 0x359 15928 bytes

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