PDF 密碼是破解丟失或忘記密碼到受密碼保護的 PDF 檔 （*.pdf）。僅 PDF 密碼破解使用者和許可權密碼。PDF 密碼不允許破解 DRM（數位版權管理）系統。如果未設置或已知使用者密碼（也稱為要打開的密碼），則可以重置許可權密碼。遺憾的是，如果使用者密碼未知，則無法輕鬆將密碼斷開到 PDF 檔。必須使用暴力攻擊和字典搜索。由於 PDF 檔中使用的加密方法的性質，密碼搜尋速度非常慢。PDF 密碼使用的恢復方法：暴力攻擊、字典攻擊、智慧強制攻擊、密碼變體、重置密碼（僅在未設置或已知用戶密碼時）。
版本歷史記錄
- 版本 12.0.9123 發佈於 2009-03-01
改進的密碼恢復引擎。
軟體細節
- 軟體分類： 安全和隱私 > 其他
- 發佈者： LastBit Software
- 軟體性質： 免費試用
- 價格： N/A
- 版本： 12.0.9123
- 作業系統： windows
終端使用者許可協定
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