PDF malware analysis — malicious · e6078b6fdfebf7fe

MALICIOUS

PDF

18.3 KB

MD5: 19cc36264fb1ceedc4e6ec661db668a3 SHA-1: 32a85194d0162a0437c05cd02d50a350c0996b31 SHA-256: e6078b6fdfebf7fee7b0bf093a13b837fb5b6547d5b59f6ff8c8bea177f0df21

178 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file was flagged by multiple high-confidence heuristics, including ML classification and ClamAV detections, indicating it contains malicious content. The presence of an embedded script payload and an embedded URL suggests an attempt to exploit vulnerabilities and potentially download further malicious content. The XFA form structure is also noted as suspicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36789 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36789
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_00000325.bin` `06e8a74fe07a50911457fd2faedf8b135dee27ceeb50b94199de7fda2ff996dd`	pdf-embedded-script	PDF raw stream script payload at offset 0x325	17993 bytes
Detection ClamAV: Pdf.Exploit.Agent-36809 Obfuscation or payload: unlikely

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