Malicious PDF — malware analysis report

Static analysis result for SHA-256 46cedd132c2726fe…

MALICIOUS

PDF

11.8 KB
MD5: 6e423cd2ed66151609a09b6162b848b3 SHA-1: 80032c0a8219e87abae68db6a1a4993ab0601f99 SHA-256: 46cedd132c2726fef17e19e3009d86149caa1bde3574081edd61c6f4a6399aab
96 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Exploit.Dropped-78, indicating it contains an exploit and is likely a dropper. The presence of an embedded script payload and an embedded file further supports this. The embedded URLs are related to XFA forms, which are known to be exploited in PDFs.

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
511cf90ddcbd1218a56bf3869286184b82f654ac253d77504166ccd917ce8162		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC8 11323 bytes

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