The file is available in the Download Center of the CA Support Online site (
https://support.ca.com)
For Clarity PPM 13.0, 13.1, the connector can be found under "CA Clarity PPM Enterprise Visibility Option - MULTI-PLATFORM"
For Clarity PPM 13.2, the connector can be found under "CA Clarity Creator User License - MULTI-PLATFORM"
Locate the file named 'CA Clarity PPM Connector for MS SharePoint v2.0/SP2'