It will be good if you put UCI number on each scanned copy. You can upload them via web form
https://secure.cic.gc.ca/enquiries-renseignements/canada-case-cas-eng.aspx
For upfront medicine you need only your passport (same for your dependants). The IMM1017 is needed when you do not-upfront.
I would suggest to wait from Medical Request mail from IRCC with attached IMM1017 forrm