MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file is identified as a credential phishing lure impersonating Microsoft Outlook. It contains numerous embedded URLs, with a primary malicious URL directing users to a site that does not match the impersonated brand. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to harvest user credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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 high 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: call-to-action link host does not match the impersonated brand: https://cructi.ru/uplcv?utm_term=windows+outlook+live+mail.
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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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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://cructi.ru/uplcv?utm_term=windows+outlook+live+mail PDF link annotation
- https://eliteplacementagency.com/uploads/files/ponejojitozagukofune.pdfIn PDF document text
- http://www.chablis-gautherin.com/ckfinder/userfiles/files/15262275423.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/mudoveruwilunukab.pdfIn PDF document text
- http://ros-audit.com/i/up/file/83289783591.pdfIn PDF document text
- https://tele-video.ru/upload/files/fulezewisax.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/84367606667.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/lakadovorixiserexum.pdfIn PDF document text
- http://andlupa.com/userfiles/file/wilifazoxalalivijajideko.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/9cad4be51971ae0081d5d91238215b72/litofufuvopoza.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/64602252611.pdfIn PDF document text
- http://x-site.by/upload/editor/files/59980898049.pdfIn PDF document text
- http://ecohort.com/userfiles/files/41685017302.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/kirugajujana.pdfIn PDF document text
- http://pandoraecza.com/genelresimler/file/90640135825.pdfIn PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/jalipumojifizigobadebaz.pdfIn PDF document text
- http://suliaok.com/v15/Upload/file/2021941547515336.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/99921003930.pdfIn PDF document text
- https://netpage.info/userfiles/file/mefibegefunum.pdfIn PDF document text
- http://elfobchod.cz/foto/Image/file/bataxazusinirefuku.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/jikedadazorimigamovudux.pdfIn PDF document text
- http://vidol.nl/userfiles/file/kododofamowedevo.pdfIn PDF document text
- http://forepic.com/_UploadFile/Images/file/virosakuredezafufasudosim.pdfIn PDF document text
- http://rinsacars.com/files/others/zoworugote.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/68348038106.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133613106bb4---papilij.pdfIn PDF document text
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/povideribokabo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E4 | 16700 bytes |
SHA-256: caf1bdff77093a6031095b62813a98d30475d265fce9a9ea18889940ce271045 |
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font_01_sfnt_off0001038f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038F | 10644 bytes |
SHA-256: c1f77beec9bb9db8095c4f6cd548526e30ab2bf17aea87314cb5f889fd3d1a5b |
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font_02_sfnt_off00011c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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