Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c3b216b02bb8aee…

MALICIOUS

PDF

63.4 KB
MD5: fe39fc4daf8801ce532177235dfd3dfe SHA-1: eb46777b21b69b977b74135b7ef1248b5a3ccfa7 SHA-256: 3c3b216b02bb8aee105a9865197106af8ab49776b18f4c9a2a7826ab7fef9d3c
136 Risk Score

Malware Insights

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

The PDF file contains critical heuristics indicating an exploit for CVE-2010-0188, targeting Adobe Reader's XFA forms. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The presence of embedded script payloads and URLs further supports this attack vector. No specific malware family could be identified.

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 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.
  • 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
ae8fe3a38dbb835f16907120e1136d098ac92398c0afbdb3d754d8bda438879a		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 64197 bytes

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