This website provides free access to the largest database for real estate in the Boston area. The system usually contains over 150+ properties for sale in Malden, many of which are foreclosures.
Many of the listings will say "subject to bank approval", which means its a bank owned property. If you are interested in foreclosures in other nearby areas such as Boston neighborhoods, Everett, or Revere -- this database will include listings in every city/town in the Boston area.
You can narrow the system down by putting in the city/towns you are interested in, as well as size, price, and more.
Boston City Properties can help you obtain a foreclosed property in Malden free of charge. Click the "Search Sales" button to view up-to-the-minute availability and make a list of any properties you would like to view, or have questions on.