Kaspersky Threat Feed App for Splunk Сloud can be installed for Splunk Cloud version 9.0.
To install Kaspersky Threat Feed App for Splunk Cloud:
The Apps page opens.

Install app from file button
Kaspersky_Threat_Feed_App_for_Splunk_Cloud.tar.gz file.
Choosing the installation archive
If the Restart required window does not open, restart Splunk manually. Do this so that Splunk will display the app icon.
The Uploaded Apps page will contain a new item, Kaspersky Threat Feed App for Splunk Cloud.

Uploaded apps