Discord will switch to temporary file links to block malware deliveryDiscord will switch to temporary file links for all users by the end of the year to block attackers from using its CDN (content delivery network) for hosting and pushing malware. [...]
Source: Discord will switch to temporary file links to block malware delivery (https://www.bleepingcomputer.com/news/security/discord-will-switch-to-temporary-file-links-to-block-malware-delivery/)