PDF malware analysis — malicious · 19ef9a5e4090ba62

MALICIOUS

PDF

51.5 KB

MD5: a41228a1526ce2d715673eac56666d93 SHA-1: 534ca0a88d53b96f0c297684c024b16f9c318c6d SHA-256: 19ef9a5e4090ba6238f699a78fff1d7676cb1100dc8accbcc993d18c86fad280

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, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. The presence of XFA form elements (PDF_XFA) suggests the use of advanced PDF features, often leveraged for exploit delivery. The embedded script is likely responsible for executing the malicious payload, leading to the detection of Pdf.Exploit.Agent-6136306-0.

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_00000240.bin` `a8a8cd55f7543070eb5e656fa0685f0b3a7c6405ba5347ef85d04cc8255d8e46`	pdf-embedded-script	PDF raw stream script payload at offset 0x240	51998 bytes

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