I wouldn't say the risk factor is different. I will say that, if the item is reported stolen, you will likely be tracked down and banned.
If the item is never reported as stolen or missing, however, the chances of you getting banned are very high. Therefore, items stolen through phishing typically warrants you getting banned instantly.
Wait... What?
"If the item is never reported as stolen or missing, however, the chances of you getting banned are very high."
If the item is never reported stolen or missing my chances of getting banned are still very high? ... What?