RdrCEF.exe
Summary
Adobe Reader Chromium Embedded Framework component. Handles web content rendering within Adobe Reader.
RdrCEF.exe is the 162nd most commonly executed Windows program in EchoTrail's dataset, observed 101,825 times across enterprise environments. It typically runs from C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF and it is most often launched by RdrCEF.exe.
Behavior
Top Paths
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF97.77%
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\acrocef_12.17%
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\acrocef_20.06%
Top Hashes (SHA256)
- 9ed4787850281a1a549c623cd05a8f7fc01b25a5185f1e7b17d4cdb50fcf1f2638.47%
- c3c3a52139348d90907f8be6eb72205c662fe287b67918e810b09e9d2596d3f312.51%
- dd617e1f4e2102399e96bdfed412227453b4c71d84b891cf772e212762574e3f9.14%
- 71d06389c4e239f000e2ee9c17c52e1d733b2b41ddc7cb08e669b5c41e13bf304.16%
- e4d6b50558ccc6eaf916d550d7e271df7169cf94f1935451b8d99d7a5924308a3.02%
- 3fb54b061cb7a876ef29c38e5708b5d1374ca16a1214f351caeded36a4b836ef2.43%
- 63f9577686b544dcec03bca7b8ae6ad9b238369d1a33092c2a310df3a0270c072.43%
- 7084fc232e4a4b312b4ca5868794302491c962080d172e431a4dc296b453f67b2.02%
- ddabef0d217d4718af05b68a97c5557e027028afabc6d7017efb40084d0144562%
- e2aa42ccc0a5e351d03939f7feb4e234e3d4c4ee260e669a82e0bb3ea89df6591.84%
Process Ancestry
Top Grandparents
- AcroRd32.exe74.63%
- OUTLOOK.EXE12.21%
- explorer.exe10.91%
- firefox.exe0.77%
- iexplore.exe0.3%
- WINWORD.EXE0.29%
- QBW32.EXE0.25%
- RuntimeBroker.exe0.12%
- InDesign.exe0.11%
- OpenWith.exe0.07%
Top Parents
- RdrCEF.exe76.79%
- AcroRd32.exe22.92%
- reader_sl.exe0.29%
- msoia.exe0.01%
Top Children
- RdrCEF.exe98.81%
- WerFault.exe1.19%
Rare or environment-specific process names are omitted from ancestry tables. Percentages are of all observed relationships.
Security Analysis
What does RdrCEF.exe normally do?
Part of Adobe software. Normal operation.
When is RdrCEF.exe suspicious?
Running from unexpected paths.
How do attackers abuse RdrCEF.exe?
Not commonly abused.
Detection guidance
No specific detection needed.
False positive notes
Normal Adobe operation.
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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.