PDF malware analysis — malicious · 987704f613217cab

MALICIOUS

PDF

79.4 KB

MD5: 4502c6f727fda975148889e5c869ed91 SHA-1: 09667922746a7292ab86f6a655c00d0401dcdd63 SHA-256: 987704f613217cab69346bb112a23f28e163858dd696c7a65c33e2cc1c01fa32

88 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded script payload within an XFA form, as indicated by the PDF_XFA and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. ClamAV detection further confirms its malicious nature. The embedded script is likely responsible for executing the exploit, leading to the download or execution of a secondary payload. The embedded URLs, while not directly malicious, are related to XFA form specifications.

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_0000023c.bin` `a34e0f575e636f1308e718d04bcfb9ec5a52f814047b5c795279f8507eda4c51`	pdf-embedded-script	PDF raw stream script payload at offset 0x23C	80624 bytes

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