PDF malware analysis — malicious · 1692aaa04c624f39

MALICIOUS

PDF

12.1 KB

MD5: 1f925dba003fad780ba293d8bad78b3a SHA-1: 4503a0d1a1bb980eaf9d2866e2229fb232d470aa SHA-256: 1692aaa04c624f3984bd5047638101686920061fa4ff5686de0b4a4f637ea449

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains embedded script content and an embedded file, indicating it is designed to exploit vulnerabilities and deliver a secondary payload. The presence of XFA form elements and embedded scripts suggests a client-side 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` `58f2aa6d26c717151bcb96b2e4f12e60b9a93ac36bf2033b88d5a03bb9bca1d0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11618 bytes

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