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WarningOther

Keitaro TDS cloaked redirect link (click.php) combined with account-suspension urgency phishing

keitaro-cloaked

What this tier means

Warning signal — bulk / marketing / mild spam. Contributes to the trash score but is not by itself sufficient.

How Gorganizer detects this

Email contains a Keitaro TDS (Traffic Distribution System) cloaked redirect link — a click.php-style URL with TDS tracking parameters (lp=, uid=, offer_id=, aff_id=) — combined with an account-suspension urgency or credential-harvest narrative. Keitaro is a PHP-based tracker used by affiliate marketers and increasingly abused by phishing operators: the tracker serves a benign decoy to crawlers while redirecting victims to live phishing pages, bypassing reputation and sandbox checks. The signal fires when: (1) body contains a URL with /click.php? plus TDS parameters AND (2) account-action/urgency narrative is present AND (3) sender is NOT a known legitimate ESP AND (4) no List-Unsubscribe header. Source: GC1 R12 council #5; Keitaro abuse reports 2025-2026; Cofense TDS analysis 2026.

False-positive guard

Every signal in Gorganizer feeds a multi-module score — never a sole verdict. This is a warning-tier signal — bulk / marketing / mild spam. It contributes to the trash score but never triggers deletion on its own. Gorganizer requires multiple signals + a margin over the safety floor before any email is moved to trash.

About the scoring engine

Gorganizer's scoring engine emits over 1,800 signals across six modules — headers, sender, subject, body, attachments, and structural metadata. Every email is scored by every module independently; the final verdict requires multiple modules to agree and the trash score to beat the safety floor by a margin.

Sacred safety guards — never delete starred emails, replies, calendar invites, receipts/invoices, or attachments — apply unconditionally regardless of any signal.

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