It looks like a few vendors are flagging the URL. [1] Not sure why. Nothing sticks out at me on urlscan [2] You may have to reach out to those vendors to see what is tickling their detectors.
[1] - https://www.virustotal.com/gui/url/d4deec9bca49cdedb57d059d9...
[2] - https://urlscan.io/result/157fd01c-3442-43ae-a563-77ac7af2dc...