PDF malware analysis — malicious · dbdd1c664dc0077b

MALICIOUS

PDF

94.1 KB

MD5: 5b99c582bc45723ce06d56a1419d41b8 SHA-1: 28ab6424f4da009aebfde0f5db1106fc5d5648f5 SHA-256: dbdd1c664dc0077bf852bb147e256e9ae28d2a5f4e48baa5f33085dadb3188dc

148 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file utilizes XFA forms, a known vector for exploitation. ClamAV detections indicate it is a malicious PDF exploiting a known agent. The embedded script payload, though not directly analyzed for its specific actions, is the likely mechanism for delivering the malicious payload. The embedded URLs are benign or unknown and do not appear to be directly involved in the exploit.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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.
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_00000246.bin` `ffb4b9631e8a7e9538ae88743bc273fe109d5f38d3bc1612e8ba31f3ec77a387`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	95638 bytes
Detection ClamAV: Pdf.Exploit.Agent-36769 Obfuscation or payload: unlikely

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