Need specific media files to stay on website content folder

I need a specific media file to stay in the wp-content folder so that it can be attached to a Contact Form 7 autoresponder. As it is now I get the following error in CF7…

Attachment file does not exist at storage.googleapis.com/images_storeylakeresort/2021/03/7e24cad1-storey-lake-income_expenses-watermark.pdf.