PDF malware analysis — malicious · bbdd14bf815aad71

MALICIOUS

PDF

97.1 KB

MD5: 1d915df6b98984ba8a473e4f7a6f0861 SHA-1: e9d67beb445bb896b698faf029f34b058b7e498c SHA-256: bbdd14bf815aad7198d613ca0dc13c85c81f283d52cbbd9cdd79f387d39e06b8

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded script payload, a common technique for exploiting PDF vulnerabilities. The XFA form structure further suggests a potential attack vector. The embedded script is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured by the PDF structure.

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://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_0000026c.bin` `913bfa93c030961e47289bfca9484d89d9da6cf2ed0b447f6b6fc61324af22e8`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98659 bytes

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