MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1534 Steal or Forge Credentials
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of brand-impersonation credential phishing, specifically targeting Amazon. It contains multiple external URIs and a link to a redirector hosted on weebly.com, which likely serves as a lure to a credential harvesting page. The document body, though heavily obfuscated, contains references to 'nest yale lock' and 'wkhtmltopdf', suggesting a potential pretext for the phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://giligigava.weebly.com/uploads/1/3/4/4/134494785/somamafiman.pdf.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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 https://nipisod.ru/strik?utm_term=how+to+reset+nest+yale+lock PDF link annotation
- http://melowew.scienceontheweb.net/pamalinobev.pdfIn PDF document text
- https://cdn.sqhk.co/jutusaxibu/dCyNjb9/7765280054.pdfIn PDF document text
- https://cdn.sqhk.co/pesuxitum/vx7XHjc/givitojevulupivone.pdfIn PDF document text
- http://malespw.xyz/rental_lease_early_termination_formepfvk.pdfIn PDF document text
- https://giligigava.weebly.com/uploads/1/3/4/4/134494785/somamafiman.pdfIn PDF document text
- http://plusstore.pro/how_to_measure_blood_pressure_omronf3hn5.pdfIn PDF document text
- https://cdn.sqhk.co/getabemuto/jihaOQQ/download_elite_trials_mod_apk_android_1_2019.pdfIn PDF document text
- https://nirulutot.weebly.com/uploads/1/3/4/7/134700174/0f435453f21f.pdfIn PDF document text
- http://testertumentum.space/computer_science_illuminated_7th_edis04gw.pdfIn PDF document text
- http://homearfes.com/sony_str-dh750_bluetooth_setup4d5yg.pdfIn PDF document text
- http://update-win20.online/vukiletijixojogodwh9f1.pdfIn PDF document text
- https://cdn.sqhk.co/kubemuzu/id03jdn/vixadoriwurik.pdfIn PDF document text
- http://oyuncuxx.com/bootstrap_templates_for_small_businessj8jda.pdfIn PDF document text
- http://bosnoslovnoejelaniekupit.xyz/nodosureg5hts.pdfIn PDF document text
- https://cdn.sqhk.co/rixosadiv/heP6ic0/71045096311.pdfIn PDF document text
- https://milavunaxowe.weebly.com/uploads/1/3/4/7/134717052/kigasuzivo.pdfIn PDF document text
- https://xiforamuti.weebly.com/uploads/1/3/4/6/134611992/29b75733.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nejesezape.myartsonline.com/zowisofuxipivu.pdfIn PDF document text
- http://sewujajapivix.onlinewebshop.net/minecraft_guides_wiki.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2B | 5012 bytes |
SHA-256: a3f18ba5bf24fa795918e46387ab1fa26ccf72565e27397d95f39bc893fb7e0c |
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font_01_sfnt_off00010e5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5B | 11640 bytes |
SHA-256: c5c8ca51fc1bf0be4f543e0bb1e047289df17bbdd399beed2011ca9e4b78ff25 |
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