Malicious PDF — malware analysis report

Static analysis result for SHA-256 2900f216152e02a0…

MALICIOUS

PDF

80.0 KB
MD5: de53b0bdd11b3289163fd0d7a483f281 SHA-1: 3937ff875f21100b34b77bea626c0ff5b2461822 SHA-256: 2900f216152e02a0ce93bda170cdfe4bf5ac34632c27604b507d923e0924dd9a
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell T1059.003 Windows Command and Shell

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA form processing. The embedded script payload, detected by multiple heuristics, is indicative of a downloader or dropper mechanism. The specific exploit and the presence of an embedded script strongly suggest a malicious intent to compromise the user's system.

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_00000288.bin
726e80b1be43b5dc76ffeb3ed3282e36f0ce07d32ef0301238bba39f948894ca		 pdf-embedded-script PDF raw stream script payload at offset 0x288 81150 bytes

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