There are probably applications that will do it directly, but you could take a screenshot after opening it in a PDF viewer.
Select the PDF viewer window, then press ALT-PrntScrn
Open Paint, and paste.
Then you can select the bit you want and crop it, and save it as an image.
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|...............| We live in the nick of times.
| Len 17, Wid 3 |
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