@inproceedings{adhatarao:hal-03528949, TITLE = {{Exploitation and Sanitization of Hidden Data in PDF Files: Do Security Agencies Sanitize Their PDF Files?}}, AUTHOR = {Adhatarao, Supriya and Lauradoux, C{\'e}dric}, URL = {https://inria.hal.science/hal-03528949}, BOOKTITLE = {{IH\&MMSec 2021 - 9th ACM Workshop on Information Hiding and Multimedia Security}}, ADDRESS = {Virtual Event Belgium, Belgium}, PUBLISHER = {{ACM}}, PAGES = {35-44}, YEAR = {2021}, MONTH = Jun, DOI = {10.1145/3437880.3460405}, KEYWORDS = {Security and privacy ; Systems security ; File system security}, HAL_ID = {hal-03528949}, HAL_VERSION = {v1}, }