Infineon Technologies — frauds on target

Hi! A lady called me saying she found my cv n said that i can be a good candidate for this job n i can earn good for myself... I accepted her offer but didnt sign-any agreement... She offered me form filling job which i did some days but after some research when i came to know that this company is a fraud company, i stopped my work n now she is calling me n threatening me to pay penalties... I dont wana pay anything to her or the fake company.. Pls help...