Well, it's hard to say for sure. You'd have to look at the source and the author's intentions. Maybe it's based on real events but with some embellishments.
It's hard to say for sure. If there are no clear indications or references to real-life people or events, it might be purely made up. But sometimes, stories are inspired by real situations and then fictionalized.
Yes, 'mallari' is a real story. There are various ways in which a story can be considered real. It could be that it is based on a true crime, or it could be a story of a real community. 'Mallari' might be a story that has been passed down through generations, perhaps starting as a real account within a family or a small town. As it is retold, it may change slightly but still retain its core of being based on something that actually occurred in real life.
Hard to tell. There could be some truth to it, but often stories like this are a mix of fact and fiction. Maybe it was inspired by real events but has been embellished for dramatic effect.
It depends. Mallari might draw inspiration from real-life events and situations, but it could also have fictional elements added for entertainment or narrative purposes.
I'm not sure specifically which 'Mallari' you are referring to. There could be many characters or things named Mallari. It could be a person's name in a local story, a family name in a particular region, or something else. Without more context, it's difficult to tell the back story.