The image is a treatment of a screenshot of an image originally was found in a newspaper, on page 2 of the 16 March edition of The Australian which was found at 	https://theaustralian.smedia.com.au/HTML5/default.aspx?publication=NCAUS
This image came from a creative commons licenced image at https://commons.wikimedia.org/wiki/File:Prime_Minister_Scott_Morrison_signature_from_Coronavirus_announcement_ad_published_in_The_Australian_16_May_2020_page_2.jpg but it has been converted to an svg file which seems to work better for signatures in biographies of living persons in Wikipedia articles.
Scott Morrison