Simple. Use the snapshot tool.
if it is a company's logo the best way to get it is to ask the company for a copy and get permission to use it. Using a company's logo without permission is a not cool. Company's can be very protective about their logo with its use and the quality of the image used to represent the company.
Adobe Acrobat is the most powerful tool to edit PDF files. But its prices are extremely high and operating are complicated. Why not use a converter to convert your pdf to editable word and extract what you need easily. I uses Adreamsoft PDF to Word Converter and it perform well. You can have a free trial and sincerely hope it can do you some favor.