wip: [stix2 import] Handling File objects with PE extension & sections
wip: [stix2 import] Handling File objects with PE extension & sections

SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP