Malicious PDF — malware analysis report

Static analysis result for SHA-256 da08db112804d737…

MALICIOUS

PDF

12.6 KB
MD5: e28b3d4e7ca2d58291abcd0d3d3ea131 SHA-1: 17ebc8dd914df1a79caeb70994eb78d2c1828d94 SHA-256: da08db112804d737a8e20cc89d12479d845dbd08e706361eaaf253a4ce7e0054
190 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms. The embedded script payload, detected by multiple heuristics, is likely responsible for executing the exploit. The embedded URL is likely related to the exploit infrastructure.

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
aa6e33109e5f315ebce034722cf7d14da63056cbebb0b11cffd0fc5c16b3aea1		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12209 bytes

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