PDF malware analysis — malicious · 90af412257975a60

MALICIOUS

PDF

97.0 KB

MD5: 8f2f667f783cf74b0305624df8b24eec SHA-1: a6aade57ac69f3fe85a0103ce4838ec1e9bfbe8b SHA-256: 90af412257975a608bfdfc32d5e32431b80067b4b757974e7cc77d355917704f

88 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file utilizes XFA (XML Forms Architecture) which is a known vector for exploits. Static analysis detected an embedded script payload within a PDF stream, and ClamAV identified it as 'Pdf.Exploit.Agent-6136306-0'. The embedded script is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence. The presence of XFA and an embedded script strongly suggests an exploit attempt.

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` `ce5d81c0ce29e71dc2e875a0c36e40e5c69b92f53903567ac9176a22ab4770b1`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98655 bytes

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