PDF malware analysis — malicious · ab0451d82e691fcd

MALICIOUS

PDF

83.1 KB Created: 2021-06-24 16:07:58 +03:00 Authoring application: Gloria Crawford I II III IV V MD DDS PhD DVM (via Theresa Wood) First seen: 2021-07-10

MD5: 1794aee649df718180a89bd89ea5b261 SHA-1: 44d8983dae08b3ae9452bc10f1aa1f30ddddd30a SHA-256: ab0451d82e691fcd98588d572bfdf57e8f039bc9dd6e9f716bbf8dcf8478a968

64 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing campaigns. It contains a link to a domain impersonating Walmart, strongly suggesting a credential harvesting attempt. The PDF structure and heuristics indicate it's designed to trick the user into interacting with the malicious link.

Machine Learning

Nyx PDF Classifier clean score 0.0482

Heuristics 4

Image-only PDF lure links to a brand-impersonating host high PDF_IMAGE_LURE_BRAND_HOST_LINK

PDF is image-heavy with little real text and its clickable action targets a host carrying the brand name 'walmart' as a domain label / subdomain segment on a registered domain that is not that brand's own and is not known-good (e.g. 'udai.walmartnewjersey.com', 'paypal-secure.net'). Unlike the homoglyph-typosquat rule, the brand here is spelled correctly but glued onto an unrelated domain — the canonical brand-impersonation phishing / scam carrier shape behind a screenshot-like lure page.
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 83 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://squp.walmartnewjersey.com PDF link annotation

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