Malicious PDF — malware analysis report

Static analysis result for SHA-256 52006a4bc1e534db…

MALICIOUS

PDF

99.8 KB
MD5: b300c63d07aad8cab9b7424a1c2cff08 SHA-1: 3095c7b119088280ae164eadcd82d16427436f00 SHA-256: 52006a4bc1e534dbefc6a981ed25f30be7eca7d13d58dcaca52250289abd217b
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

This PDF document exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. The XFA form contains executable script, which is likely used to trigger the exploit and download a second-stage payload. The embedded file and script payload markers further indicate malicious intent.

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.
  • 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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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_file_obj0008.bin
f0a9bf300f79cad02759528077c98e1c10296207d3e72ee9c8c4dd5ccffa2977		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101470 bytes

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