Illustrator PDF Margin Adjustment

I have a 22-page Adobe Illustrator document that is currently exported as a PDF. I simply need an extra 10 mm of white space added on every side of every page. Please do not scale or move the existing... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Illustrator, Adobe InDesign, Graphic Design, Illustrator, Photoshop, Print Design)