Import files to a firewall via Panorama. First import
the file to Panorama, then run a request batch upload-install op
command:
curl -X GET "http://<panorama>/api/?key=<apikey>&type=op&cmd=<request><batch><anti-virus><upload-install><uploaded-file><your-file-name-here></uploaded-file><devices><serialnumber></devices></upload-install></anti-virus></batch></request>"