Hybrid Analysis – Uses Crowdstrike’s Falcon Sandbox Technology and also checks items against Meta Defender and VirusTotal. Accepts single file and multi-file uploads, Yara and ASCII/HEX string searches. Free service w/ paid option.
VirusTotal – Inspects items (file upload, URL scan, file hashes) collected in over 70 antivirus scanners and URL/domain blocklists. Free service w/ paid options for higher volume scans and API usage.
urlscan.io – Scan and analyzes websites. Free