PDF malware analysis — malicious · 76c37d030bf9037e

MALICIOUS

PDF

12.9 KB

MD5: e2a9ebcd62807303b7d5504e2d95ae97 SHA-1: ffcff1d26c5b6e0511709c48869be35e8291373b SHA-256: 76c37d030bf9037e5301f053912cac81a27bf098d2eb67232945d15603d863f6

108 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF was flagged as malicious by ClamAV and an ML classifier, with heuristics indicating the presence of an XFA form and an embedded script payload. The embedded JavaScript, though truncated, appears to be designed to execute a payload. The primary IOC is the ClamAV detection name.

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
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://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` `4826571d4e6c948116c67df33d9bcd6675e6c8bdf7e196c81c3c690b448f30f8`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12436 bytes

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