Cognitive and cultural embeddedness: combining institutional economics and economic sociology
According to this, pederasty is sexual relations between two males, especially when one of them is a minor. Other definitions, like the one that JSBangs found, differ slightly. But otherwise, I think you answered the question yourself: pedophile refers to the attraction, while pederasty refers to the act itself.
Definition of lambaste. 1  transitive verb. 2  1 : to assault violently : beat, whip. 3  2 : to attack verbally : censure critics lambasted his performance.