Macro to automate attaching two files to a new email

I always have to attach two files to multiple emails I send each day.  I'd like a macro that I can run after I draft a new email which attaches two files:

• Attach the file: J:\Portfolio\_Reporting & Operations\REPO\RepoTkt.xlsm
• Attach the newest PDF saved to U:\

The U:\ drive is our scan folder on our network.  I scan the image from the copier and immediately draft my email -- so the scan I need to attach is always the most recent. The filename is something like DOC_20170329101015.PDF  (format is "DOC_" followed by numeric string consisting of the date and time in the format of YYYYMMDDHHMMSS.pdf

Thank you!