MALICIOUS
148
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file utilizes XFA forms and contains an embedded script payload, as indicated by multiple critical heuristic firings including ClamAV detections. The embedded script is likely responsible for delivering a secondary payload. The specific exploit and delivery mechanism are not fully detailed, leading to an unknown family classification.
Heuristics 5
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ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV 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.
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Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOADPDF 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.
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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Embedded URL info EMBEDDED_URLOne 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.bin1c4b617c2f4ef9bade870cbeb1992e2261fb5dbddc6cdee813d777db2b56d154 |
pdf-embedded-script | PDF raw stream script payload at offset 0x246 | 95636 bytes |
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Detection
ClamAV:
Pdf.Exploit.Agent-36769
Obfuscation or payload:
unlikely
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