MALICIOUS
78
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious File
T1204.002 Malicious File: User Execution: Malicious PDF
The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Agent-36874, indicating it is a known PDF exploit. Static triage also flagged a suspicious extracted artifact, a long encoded blob within a decompressed PDF stream. The presence of XFA forms and AcroForm buttons further suggests a complex PDF structure often used for exploitation. The attack pattern likely involves exploiting a vulnerability within the PDF reader to execute arbitrary code.
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.bin244197907bd32b5e2c3e6e4f583421b65230cb42502cdc5fff2ab843529accd6 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x8ED | 1432 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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