diff --git a/satpy/readers/core/_geos_area.py b/satpy/readers/core/_geos_area.py
index 1b80f0d59a..affef425f8 100644
--- a/satpy/readers/core/_geos_area.py
+++ b/satpy/readers/core/_geos_area.py
@@ -160,7 +160,7 @@ def sampling_to_lfac_cfac(sampling):
     Appendix E.2.
 
     .. _MSG Ground Segment LRIT HRIT Mission Specific Implementation:
-       https://www-cdn.eumetsat.int/files/2020-04/pdf_ten_05057_spe_msg_lrit_hri.pdf
+       https://user.eumetsat.int/s3/eup-strapi-media/pdf_ten_05057_spe_msg_lrit_hri_bcaff5f0ba.pdf
 
     Args:
         sampling: float
diff --git a/satpy/readers/core/seviri.py b/satpy/readers/core/seviri.py
index 79af4d1052..8b31c2586f 100644
--- a/satpy/readers/core/seviri.py
+++ b/satpy/readers/core/seviri.py
@@ -166,13 +166,13 @@
     - `Radiometric Calibration of MSG SEVIRI Level 1.5 Image Data in Equivalent Spectral Blackbody Radiance`_
 
 .. _Conversion from radiances to reflectances for SEVIRI warm channels:
-    https://www-cdn.eumetsat.int/files/2020-04/pdf_msg_seviri_rad2refl.pdf
+    https://user.eumetsat.int/s3/eup-strapi-media/pdf_msg_seviri_rad2refl_d6cd0c663f.pdf
 
 .. _MSG Level 1.5 Image Data Format Description:
-    https://www.eumetsat.int/media/45126
+    https://user.eumetsat.int/s3/eup-strapi-media/pdf_ten_05105_msg_img_data_e7c8b315e6.pdf
 
 .. _Radiometric Calibration of MSG SEVIRI Level 1.5 Image Data in Equivalent Spectral Blackbody Radiance:
-    https://www-cdn.eumetsat.int/files/2020-04/pdf_ten_msg_seviri_rad_calib.pdf
+    https://user.eumetsat.int/s3/eup-strapi-media/pdf_ten_msg_seviri_rad_calib_b4e474a6de.pdf
 
 .. _Inter-calibration of polar imager solar channels using SEVIRI:
    http://dx.doi.org/10.5194/amt-6-2495-2013
@@ -608,7 +608,7 @@ def vis_calibrate(self, data, solar_irradiance):
         """Calibrate to reflectance.
 
         This uses the method described in Conversion from radiances to
-        reflectances for SEVIRI warm channels: https://www-cdn.eumetsat.int/files/2020-04/pdf_msg_seviri_rad2refl.pdf
+        reflectances for SEVIRI warm channels: https://user.eumetsat.int/s3/eup-strapi-media/pdf_msg_seviri_rad2refl_d6cd0c663f.pdf
         """
         reflectance = np.pi * data * 100.0 / solar_irradiance
         return utils.apply_earthsun_distance_correction(reflectance, self._scan_time)
diff --git a/satpy/readers/electrol_hrit.py b/satpy/readers/electrol_hrit.py
index e7771c1a14..0d46067db4 100644
--- a/satpy/readers/electrol_hrit.py
+++ b/satpy/readers/electrol_hrit.py
@@ -249,7 +249,7 @@ def read_epilogue(self):
 
 
 # Defined in MSG Level 1.5 Image Data Format Description
-# https://www-cdn.eumetsat.int/files/2020-05/pdf_ten_05105_msg_img_data.pdf
+# https://user.eumetsat.int/s3/eup-strapi-media/pdf_ten_05105_msg_img_data_e7c8b315e6.pdf
 SPACECRAFTS = {19001: "Electro-L N1",
                19002: "Electro-L N2",
                19003: "Electro-L N3"}
diff --git a/satpy/readers/iasi_ng_l2_nc.py b/satpy/readers/iasi_ng_l2_nc.py
index 79be81a4fc..12ce3644e8 100644
--- a/satpy/readers/iasi_ng_l2_nc.py
+++ b/satpy/readers/iasi_ng_l2_nc.py
@@ -28,7 +28,7 @@
 
 For more information in the product files content, please refer to the
 EPS-SG IASI-NG Level 2 Format specification document provided by EUMETSAT at:
-https://www-cdn.eumetsat.int/files/2022-04/EPS-SG%20IASI-NG%20L2%20Product%20Format%20Specification_web_0.pdf
+https://user.eumetsat.int/s3/eup-strapi-media/EPS_SG_IASI_NG_L2_Product_Format_Specification_v4_B_cffb0a9273.pdf
 """
 
 import re
diff --git a/satpy/readers/seviri_l1b_hrit.py b/satpy/readers/seviri_l1b_hrit.py
index a0f61fe14e..b3811d6f6c 100644
--- a/satpy/readers/seviri_l1b_hrit.py
+++ b/satpy/readers/seviri_l1b_hrit.py
@@ -206,7 +206,7 @@
 .. _EUMETSAT Product Navigator:
     https://navigator.eumetsat.int/product/EO:EUM:DAT:MSG:HRSEVIRI
 .. _MSG Level 1.5 Image Data Format Description:
-    https://www.eumetsat.int/media/45126
+    https://user.eumetsat.int/s3/eup-strapi-media/pdf_ten_05105_msg_img_data_e7c8b315e6.pdf
 .. _fsspec:
     https://filesystem-spec.readthedocs.io
 """
diff --git a/satpy/readers/seviri_l1b_native.py b/satpy/readers/seviri_l1b_native.py
index 1178db2f5b..f33a1ef448 100644
--- a/satpy/readers/seviri_l1b_native.py
+++ b/satpy/readers/seviri_l1b_native.py
@@ -95,7 +95,7 @@
 .. _EUMETSAT Product Navigator:
     https://navigator.eumetsat.int/product/EO:EUM:DAT:MSG:HRSEVIRI
 .. _MSG Level 1.5 Native Format File Definition:
-    https://www-cdn.eumetsat.int/files/2020-04/pdf_fg15_msg-native-format-15.pdf
+    https://user.eumetsat.int/s3/eup-strapi-media/pdf_fg15_msg_native_format_15_6b513c5bb3.pdf
 """
 
 import datetime as dt