Malicious PDF — malware analysis report

Static analysis result for SHA-256 d974b812e9119354…

MALICIOUS

PDF

78.8 KB
MD5: 207c28a15d87a358f999391a97510251 SHA-1: 0952a0fdef91d767d970ce83d5dcbc6a56922ca6 SHA-256: d974b812e9119354bcb15376e83c33f1834980a7191eac17508279e00355d2c3
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Clickjacking

The PDF file contains embedded XFA forms and scripts, triggering heuristics for PDF_XFA, PDF_EMBEDDED_SCRIPT_PAYLOAD, and PDF_XFA_SCRIPT. Crucially, it fires for CVE-2010-0188, indicating exploitation of a known Adobe Reader vulnerability. The embedded script payload is likely responsible for executing the exploit, leading to the download or execution of a secondary malicious payload.

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
566255c68246edfd7346ba0f68bb3da40cb0db55001cd4b72a0d4471d0f1e5a0		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79914 bytes

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