PDF malware analysis — malicious · d4e6262fbde7efc5

MALICIOUS

PDF

43.0 KB

MD5: 5fd053cebf7e93d9cd60d68d7175744f SHA-1: 3e7e57e6f843fcbafea68a5257ee86baaece94df SHA-256: d4e6262fbde7efc57fd48f82ac44cc7d1ad18fd6c7e4775dae0f294093a3b70f

156 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded content and a script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection (Pdf.Exploit.Agent-36830) confirms its malicious nature. The embedded script likely attempts to download and execute a second-stage payload, a common technique for delivering malware. The XFA form structure suggests a potential exploit targeting Adobe Reader or similar software.

Heuristics 6

ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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_file_obj0008.bin` `5c392da2b3955e229c9e7192bc5da605f62a741ddebdc071294e8e2a16e39367`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	43250 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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