Malicious PDF — malware analysis report

Static analysis result for SHA-256 466bf349a97a80d7…

MALICIOUS

PDF

63.1 KB
MD5: 293ec202d14f054871b57adfd9b597d4 SHA-1: 732ee854380cf4b8899b0074d09992e5871469b7 SHA-256: 466bf349a97a80d7420beace15b8bab4403b6155f57b8aed2277566f1f0adc0e
138 Risk Score

Malware Insights

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

The PDF file contains embedded XFA script that exploits CVE-2010-0188 in Adobe Reader. This vulnerability allows for arbitrary code execution, which is commonly used to download and execute further malicious content. The embedded script is the primary indicator of malicious intent, and the exploit targets a known vulnerability in PDF rendering.

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
2ed032261c383c312231d29b02cb02867f6e1fcf98a5a6f2e161ca02c795786f		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 63832 bytes

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