PDF malware analysis — malicious · 47de2dc499640a6c

MALICIOUS

PDF

14.7 KB

MD5: a0ab7f1107c3a752b79c26cfdd2b983e SHA-1: f5526216c1e3a451778c9dee0d6889148e61c5dd SHA-256: 47de2dc499640a6cdaca48b17b16047359670a115fb53dea7ab8a512cf7db29d

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file was flagged as malicious by multiple engines, including ClamAV, which identified it as Pdf.Exploit.Dropped-78 and Pdf.Exploit.Agent-36809. The presence of an embedded script payload and XFA form suggests it is designed to exploit vulnerabilities or trick the user into executing malicious code. The embedded URL is likely part of the exploit chain or a command and control communication channel.

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
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_00000329.bin` `e61c177fea0b67d50fe6d7c9f34861ea6cd67be7846e1e17b9ddd13bc4c139e0`	pdf-embedded-script	PDF raw stream script payload at offset 0x329	14304 bytes
Detection ClamAV: Pdf.Exploit.Agent-36809 Obfuscation or payload: unlikely

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