/usr/share/civicrm/CRM/Financial/ is in civicrm-common 4.7.30+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/civicrm/CRM/Financial/BAO/
/usr/share/civicrm/CRM/Financial/BAO/ExportFormat/
/usr/share/civicrm/CRM/Financial/BAO/ExportFormat.php
/usr/share/civicrm/CRM/Financial/BAO/ExportFormat/CSV.php
/usr/share/civicrm/CRM/Financial/BAO/ExportFormat/IIF.php
/usr/share/civicrm/CRM/Financial/BAO/FinancialAccount.php
/usr/share/civicrm/CRM/Financial/BAO/FinancialItem.php
/usr/share/civicrm/CRM/Financial/BAO/FinancialType.php
/usr/share/civicrm/CRM/Financial/BAO/FinancialTypeAccount.php
/usr/share/civicrm/CRM/Financial/BAO/PaymentProcessor.php
/usr/share/civicrm/CRM/Financial/BAO/PaymentProcessorType.php
/usr/share/civicrm/CRM/Financial/DAO/
/usr/share/civicrm/CRM/Financial/DAO/Currency.php
/usr/share/civicrm/CRM/Financial/DAO/EntityFinancialAccount.php
/usr/share/civicrm/CRM/Financial/DAO/EntityFinancialTrxn.php
/usr/share/civicrm/CRM/Financial/DAO/FinancialAccount.php
/usr/share/civicrm/CRM/Financial/DAO/FinancialItem.php
/usr/share/civicrm/CRM/Financial/DAO/FinancialTrxn.php
/usr/share/civicrm/CRM/Financial/DAO/FinancialType.php
/usr/share/civicrm/CRM/Financial/DAO/PaymentProcessor.php
/usr/share/civicrm/CRM/Financial/DAO/PaymentProcessorType.php
/usr/share/civicrm/CRM/Financial/DAO/PaymentToken.php
/usr/share/civicrm/CRM/Financial/Form/
/usr/share/civicrm/CRM/Financial/Form/BatchTransaction.php
/usr/share/civicrm/CRM/Financial/Form/Export.php
/usr/share/civicrm/CRM/Financial/Form/FinancialAccount.php
/usr/share/civicrm/CRM/Financial/Form/FinancialBatch.php
/usr/share/civicrm/CRM/Financial/Form/FinancialType.php
/usr/share/civicrm/CRM/Financial/Form/FinancialTypeAccount.php
/usr/share/civicrm/CRM/Financial/Form/Payment.php
/usr/share/civicrm/CRM/Financial/Form/PaymentEdit.php
/usr/share/civicrm/CRM/Financial/Form/Search.php
/usr/share/civicrm/CRM/Financial/Page/
/usr/share/civicrm/CRM/Financial/Page/AJAX.php
/usr/share/civicrm/CRM/Financial/Page/Batch.php
/usr/share/civicrm/CRM/Financial/Page/BatchTransaction.php
/usr/share/civicrm/CRM/Financial/Page/FinancialAccount.php
/usr/share/civicrm/CRM/Financial/Page/FinancialBatch.php
/usr/share/civicrm/CRM/Financial/Page/FinancialType.php
/usr/share/civicrm/CRM/Financial/Page/FinancialTypeAccount.php