MALICIOUS
108
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1204.002 Malicious File
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as 'Pdf.Exploit.Agent-36874'. The presence of XFA forms and AcroForm buttons with action triggers suggests an attempt to exploit PDF vulnerabilities. No scripts were extracted, but the overall structure and heuristic firings indicate a malicious PDF designed to exploit a vulnerability and likely deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-36874 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36874
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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AcroForm button with action trigger low PDF_ACROFORM_BUTTONPDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_001_off000008ed.bin553fe448ba096b184f7267e5cc67cf621b4c8593c7ed1d15073556360d85e777 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x8ED | 1414 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 long base64-like blob(s).
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