MALICIOUS
148
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious PDF
T1566.002 Phishing: Spearphishing Attachment
The PDF file contains an XFA form and an embedded script payload, which is a common technique for delivering exploits. ClamAV detections indicate this is a known exploit targeting PDF documents. The embedded script is likely responsible for downloading and executing a second-stage payload.
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_0000023e.bin1291c1e00b42abfef8d21ca01a9aa63176e22bf09c87f1f7fa29cf9cbac6ddb8 |
pdf-embedded-script | PDF raw stream script payload at offset 0x23E | 80301 bytes |
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Detection
ClamAV:
Pdf.Exploit.Agent-36769
Obfuscation or payload:
unlikely
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