PDF malware analysis — malicious · 8a6400c78dd874d6

MALICIOUS

PDF

11.6 KB

MD5: c70333c87b4b5cba0338ca9c6dc504c5 SHA-1: 4f9689fb4b1ee30fe7339124d5ca872e81678660 SHA-256: 8a6400c78dd874d6f59e56dd9fe315681c1d3c0ea6cf81d012c6e07cda22bc85

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' and the high ML classifier score strongly indicate malicious intent. The PDF contains embedded content and scripts, suggesting it's a dropper or exploit document. The embedded URLs, while not directly malicious, are part of the document's structure.

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 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` `a12ac1690e083b914af460b27caf0080c6d7a80f4097683938ea190535fdeee0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11138 bytes

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