PDF malware analysis — malicious · dc72de9d1d81dae2

MALICIOUS

PDF

19.1 KB

MD5: 4f046b9908dc16c4ca7c76016849cc45 SHA-1: 3209f9ae7491c4786a704f5dbab0656ebf6b398b SHA-256: dc72de9d1d81dae26fcf8e768fcd8f47bc8549330755926722ebcf8ffc859adb

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic indicate this PDF contains an embedded script designed to execute a malicious payload. The embedded file artifact 'embedded_file_obj0008.bin' is likely the delivered payload. The XFA form and embedded file suggest a complex attack vector.

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.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `891031866ac8644e9ce0667fb35bd1e3da0e5fb2753b8fb83dbeb65afcf641bf`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18777 bytes

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