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A Construction Bid Invitation Hid a Compromised Website Behind a Legitimate-Looking PDF Label

ID: bf1c3027-ca9d-5bad-bed3-2375606049d6

STIX ID: report--bf1c3027-ca9d-5bad-bed3-2375606049d6

Feed Name: IRONSCALES

Threat Score
50/100

Date Published: 2026-06-26

Date Updated: 2026-06-26

Author: [email protected] (Audian Paxson)

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A construction-industry themed phishing email used display-text deception—an anchor labeled as a bid-preview PDF that resolved to a compromised Brazilian media site—to perform credential harvesting. The message passed SPF/DKIM/ARC and used mass-BCC distribution; IRONSCALES Adaptive AI quarantined the message by detecting the mismatch between visible link text and actual URL, highlighting the need to verify link destinations against their display text and to treat mass-BCC vendor-style messages as suspicious.

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