State Senate President Malcolm Smith, who was recently called out for his extravagant pork-barrel spending, may be in trouble again, after failing to record two lucrative property sales on mandatory financial disclosure forms. In 1995 Smith bought two adjoining plots at 230th Street in Queens through his company Smith M. Realty. Since then, he's sold both to a developer netting $500,000, but that profit went undisclosed in 2002 paperwork for the legislature, and was only nominally explained thereafter. Coinciding with an investigation, which also involves his recently terminated campaign treasurer Joan Flowers, the Democrat has hired a lawyer who told the Post his client is "honest," "decent" and "law-abiding." "They can subpoena all the documents in the world. They're not going to find any evidence of wrongdoing by Malcolm Smith," he said.