Malicious PDF — malware analysis report

Static analysis result for SHA-256 24c67181af43935f…

MALICIOUS

PDF

12.2 KB
MD5: 3cff3a30a09e83f79f9f0c0edd1cd64f SHA-1: 8886ca15138b286efcfbeb2d4428753dd8ca21cd SHA-256: 24c67181af43935ff699d57c3bda026782da1bced51b64e933f6f7d99dc5466c
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file contains embedded script payloads and is flagged by ClamAV as Pdf.Exploit.Dropped-78, indicating it's designed to exploit vulnerabilities. The presence of embedded files and XFA forms further supports its malicious nature as a delivery mechanism for further compromise.

Heuristics 5

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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
886729846705360bef98eb1c8cee93a597f86393822c81d53b36456f907f41de		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC8 11733 bytes

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