A useful list of providers where you can report Malicious or Phishing Sites

Virus Total – https://www.virustotal.com/gui/home/url

SPAM404 – https://www.spam404.com/report.html

BrightCloud – https://www.brightcloud.com/tools/url-ip-lookup.php

ESET – https://phishing.eset.com/en-us/report

Sophos – https://support.sophos.com/support/s/filesubmission?language=en_US

Google – https://safebrowsing.google.com/safebrowsing/report_general/

Microsoft – https://www.microsoft.com/en-us/wdsi/support/report-unsafe-site-guest

Cyren – https://www.cyren.com/security-center/url-category-check-gate

Dr.Web – https://vms.drweb.com/sendvirus/

Fortinet – https://www.fortiguard.com/faq/wfratingsubmit

Forcepoint – https://csi.forcepoint.com/

Bitdefender – https://www.bitdefender.com/consumer/support/answer/29358/#scroll-to-heading-2

SCUMWARE.ORG – https://www.scumware.org/add_url.php