PDF malware analysis — malicious · 6b2fe0a5c6d41c86

MALICIOUS

PDF

11.8 KB

MD5: 17d8120803008f94fd31fb7e319418ef SHA-1: 3b6b5a91fa6c30b37475de89765d60fca9b206f5 SHA-256: 6b2fe0a5c6d41c86adcc5470b6a74d9669d09bdad778ea440daa3bf4e4bd9cce

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded script content and is flagged by multiple heuristics, including ClamAV detection for 'Pdf.Exploit.Dropped-78'. The ML classifier also strongly indicates maliciousness. The embedded file suggests a dropped payload, likely executed via an exploit.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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 script payload in PDF stream low 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 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` `867e4e7f528ce3b2cdcc4d3122edd7955307782a364cfcc2c806f7dd0ebad06c`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11361 bytes

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