Resize Illustration for Print

I have an illustration that must come back to me as a press-ready PDF measuring exactly 178 mm wide by 142 mm high. The current artwork isn’t at those dimensions, so the first step is to resize it without any loss of quality or unwanted stretching... (Budget: €8 - €30 EUR, Jobs: Adobe Illustrator, Adobe Photoshop, Graphic Design, Illustration, Illustrator, PDF, Photoshop, Print Design)