PDF malware analysis — malicious · f817b64f43bf5d47

MALICIOUS

PDF

12.8 KB

MD5: 1b1ed0a41c208021485485bd6995b95f SHA-1: 4290316f762bf53b712114188434f8486b8136e3 SHA-256: f817b64f43bf5d4717a2c8a56f93fe3776e91bfac9f8803a10d5f447237f2232

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0' and a high ML score. The presence of an embedded script payload and an embedded URL suggests the document is designed to execute malicious code, likely to download and run a second-stage payload. The XFA form structure is also noted.

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` `ba71d8ba61498dcd44fe33317eb843d8dc2ab2d642544c14270b162878cb2df8`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12412 bytes

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