Unsupervised Anomaly Detection Model

I have a collection of unstructured data—mixed text documents and images—and I need an unsupervised learning workflow that reliably flags unusual or suspicious examples. The aim is purely anomaly detection;... (Budget: $15 - $25 USD, Jobs: Algorithm, Anomaly Detection, Autoencoder, Deep Learning, Machine Learning (ML), Statistical Analysis, Variational Autoencoder)