NEW YORK—A Florida businessman whose fraud-busting business was exposed as a fraud itself was sentenced Monday to a year and a day in prison in a case in which prosecutors said Rudy Giuliani was hired as a consultant to attract investors. David Correia, 45, was sentenced remotely by U.S. District Judge J. Paul Oetken in Manhattan. The judge cited Correia’s lesser role in the fraud scheme—he was charged alongside co-defendant Lev Parnas—and medical issues that might make his time in prison more challenging as he granted requests for leniency. He also ordered Correia to pay back the roughly $43,000 he received illegally, as well as over $2 million in restitution. Oetken noted that two of seven victims had urged leniency, though he said it was “hard to ignore” the irony of a fraud surrounding a business titled “Fraud Guarantee.” In October, Correia pleaded guilty to making false statements to the …