JPG to High-Res Banner PDF

I have a single JPG of my event poster that now needs to be printed as a pull-up banner measuring 840 mm × 2,000 mm. I no longer have any source files, so you will be working only from the JPG and recreating anything that can’t scale cleanly... (Budget: $30 - $250 AUD, Jobs: Adobe Photoshop, Graphic Design, Illustrator, PDF, Photo Editing, Photoshop, Photoshop Design, Print Design)