PDF malware analysis — malicious · 24272694f8b048f6

MALICIOUS

PDF

12.8 KB

MD5: e42b0075812f3cc66ed3164eb74c35cc SHA-1: c85764da7d991ff639062a023768e8716d05e6b4 SHA-256: 24272694f8b048f6387420d8db11e0ce8f50aea4e7b4a24240315d289d605029

120 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment T1566 Phishing T1566.002 Phishing: Spearphishing Attachment

The file is identified as a malicious PDF by multiple high-confidence heuristics, including ML classification and ClamAV detection. The presence of an embedded script payload within a PDF stream, combined with the XFA form structure, indicates an attempt to exploit vulnerabilities or deliver malicious content. The embedded URL, while seemingly benign, is part of the overall malicious structure.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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.
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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000359.bin` `180440ee23181e0ad2c7645bc0ca77624a2155fb619fc0cb1755d64983830797`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12400 bytes

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