This papercraft is Shadow Person (or by fans Dark Person, or Mysterious Shadow Person), mostly the shady figure of the culprit of the Detective Conan series, from the Japanese detective manga series Case Closed (aka Detective Conan), the paper model is created by [unknown]. The size of finished modelis about 160 (H) x 48 (W) x 34 (D) mm.
Shadow Person became a popular figure in the Detective Conan series due to their various appearances they've made during the series progress. They only appear when the culprit is trying to destroy the evidence or killing a person, also they are willingly to attack a person who is close to reveal the culprit's identity or that has contacts with the police. It also can be that they are also trying to kill a person who are in close contact with a important evidence that the culprit has left during his crime which the person who have found the evidence can tell to the detectives or police officers.