MALICIOUS
108
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.002 Spearphishing Attachment
The file is a PDF document identified as malicious by ClamAV (Pdf.Exploit.Agent-36874) and a machine learning classifier. It contains an XFA form and an AcroForm button with an action trigger, suggesting it is designed to exploit a PDF vulnerability. An embedded artifact was also flagged as suspicious. The exact nature of the exploit and payload is not detailed in the provided evidence, but the overall pattern indicates a malicious PDF designed for exploitation.
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.bind794c1ddb5288521f71bac8cb64ef43895874d235805437cc7b89529896647ca |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x8ED | 1417 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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