Since 'pulp fiction' is often associated with inexpensive, action - filled, and somewhat lurid stories, if 'quadro pulp fiction' is a related thing, it might be a set of four such tales. It could be a new take on the pulp fiction style with four distinct narratives, perhaps with a common theme or setting that ties them all together. However, without more context, it's really hard to say for sure.
It might be. If it's something not many people have heard of, it could be a new take on the pulp fiction concept in a new medium. But without more details, it's hard to say for sure.