The body of 32-year-old Nicole Cartwright was discovered in Buffalo Creek Reserve in Hunter's Hill, NSW, on October 3.
The Sydney woman was found with a collar around her neck, while 30m of drag marks were located leading up to her body, ABC reports.
A council worker discovered the woman wrapped in an orange blanket with her hands also bound.
Police are yet to confirm the cause of Ms Cartwright's death and an investigation is ongoing.
Homicide detectives searching for her killer are seeking information from the public on the woman's movements in the days and hours leading to her death.