Acorn application guide

Recovery Carver

Deletion or quick formatting can leave file content behind. The demonstrated carver finds PDF structures, with explicit checks of where the recovered content ends.

Demonstrated on constructed training data

Do surviving file structures remain after deletion or a quick format?

Start with

Owned training images containing deleted PDF material and a quick-format scenario.

What you can take away

Recovered PDF structures with output locations and hash information.

After an actual quick format of an owned FAT16 image copy, the native carver located four intact PDF structures in its free space. The selected invoice can be reviewed alongside the recovery audit fields.

Open the screenshot and choose “View actual size” to read the records at their original resolution.

A practical starting point

How the workflow fits together.

Define the image and carving scope before processing.
Inspect candidate recovered structures and keep outputs separate from the source.
Compare content and file boundaries with known references instead of assuming whole-file identity.

Useful next steps

Start with your requirements

Bring a sample question.

Ask us to demonstrate this workflow with suitable public or constructed material. Do not send confidential evidence in an initial enquiry.

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About the screenshots and illustrations

Application screens are selected from the September 2026 Acorn screenshot pack. Captions distinguish native setup views, constructed training records and public-corpus results. They are not private client cases, and a displayed control does not establish that every operation was completed.

Relevant public sources include DeepBlueCLI training event logs and Plaso test data. Check the relevant source terms before redistributing an underlying dataset.

Workspace scenes and sector mascot variants are generated illustrations. They do not show actual police, judicial, military or university deployments or endorsements. The original Squirrel Forensics identity is retained.