diff --git a/pdf/2012-Extensive_Analysis_and_Large-Scale_Empirical_Evaluation_of_Tor_Bridge_Discovery.pdf b/pdf/2012-Extensive_Analysis_and_Large-Scale_Empirical_Evaluation_of_Tor_Bridge_Discovery.pdf index 3cf20d57b0..dd90975ea8 100644 Binary files a/pdf/2012-Extensive_Analysis_and_Large-Scale_Empirical_Evaluation_of_Tor_Bridge_Discovery.pdf and b/pdf/2012-Extensive_Analysis_and_Large-Scale_Empirical_Evaluation_of_Tor_Bridge_Discovery.pdf differ