PDF malware analysis — malicious · cc127962b6bea530

MALICIOUS

PDF

123.9 KB

MD5: 3562b51be6e2a1df8d170419deb9a537 SHA-1: 75a1e04ce997c5d237efaf310b6e82281dc27c3e SHA-256: cc127962b6bea530ea50d900da6041a6a653bd2b8b46e9965d03a92ac418c8fb

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged by ML and ClamAV as malicious, with a critical heuristic indicating it contains an embedded script payload. The presence of XFA form elements and an embedded script suggests an exploit is likely being used to execute malicious code. The embedded URL is likely part of the exploit chain.

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_0000033a.bin` `983be8cfb232479dcda4552759a94d9c3fb50f396cdec3a2900f2075f0d0e84a`	pdf-embedded-script	PDF raw stream script payload at offset 0x33A	126109 bytes

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