PDF malware analysis — malicious · b044f34575cc035e

MALICIOUS

PDF

13.2 KB

MD5: b8ea7daf2973cf81bef9d24a49fd1ff9 SHA-1: 9cbf7d918129d69eda987304b67285423e1cf50b SHA-256: b044f34575cc035e605025820de814d77d0a36f71705f306015825b870d8be84

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains an embedded script payload and triggers high-confidence heuristics for malicious content, including a ClamAV detection for Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for downloading and executing a second-stage payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. The presence of XFA form elements also suggests a potential attack vector.

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` `cba07812d76939b0b71e610bd7c06f27fe67c25728ff18f406ee3762f39605dc`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12792 bytes

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