PDF malware analysis — malicious · 8995585774e87967

MALICIOUS

PDF

18.6 KB

MD5: 082bf45b36175623756d4288b13070cc SHA-1: 5a524ac17103a6ba9ec66efb053c124eb5d54a4e SHA-256: 8995585774e8796787210a8d3e17315dcf6b2c1f5e3228b66433bc9d207a63f3

116 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV detection and high ML classifier score strongly indicate malicious intent. The PDF contains an embedded script payload, suggesting it's designed to exploit vulnerabilities and download further malicious content. The embedded file artifact further supports this delivery mechanism.

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` `823888aa8a5e9990e893f8a972e1ca84516c101487fe045664158aa174ad21ee`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18330 bytes

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