MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://wastran.ru/uplcv?utm_term=cheat+pubg+mobile+2021 PDF link annotation
- https://arhometutor.com/userfiles/file/47486639812.pdfIn PDF document text
- http://verynailscm.com/user_img/file/34128487232.pdfIn PDF document text
- https://shieldtech.cz/ckfinder/userfiles/files/menusunovefunajo.pdfIn PDF document text
- http://nhatnguyen.vn/media/ftp/file/81658455963.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/86430239331.pdfIn PDF document text
- https://unchiulmihai.ro/files/fckeditor/file/24869372216.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/kupodunefujon.pdfIn PDF document text
- http://debseven.net/UserFiles/File/tabuwebol.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/69f6e2e335da89d8df299fd3819920c6/32104767735.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/4245402162.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/perofenekeguwelesosib.pdfIn PDF document text
- http://savages.lu/imagesRTE/files/pezozobiluxi.pdfIn PDF document text
- http://carrozzeriabosini.net/userfiles/files/babepiliwugefuluteputomas.pdfIn PDF document text
- https://ildiko-szepsegszalon.hu/userfiles/file/88487913830.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/87907045738.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/36848159944.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/90192244704.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/lowisupisejara.pdfIn PDF document text
- https://grupo.iberia.es/js/ckfinder/userfiles/files/jakusezajuvilumefipu.pdfIn PDF document text
- http://meghdoothsuzuki.com/uploads/19982901096.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/81476827097.pdfIn PDF document text
- http://softwarefactory.nl/images/file/59756514086.pdfIn PDF document text
- http://constantcontinuity.com/membership/data/files/fufelaxutojawet.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gumolaka.pdfIn PDF document text
- http://www.pacautomarketing.com/file/mekolibiraganujoxuv.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/famepasafegene.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_off0000feec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000116fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116FE | 20960 bytes |
SHA-256: bc413dd0dd77b8d7a3fc9dd66566d2531adcac7a60d03e40028ed960db89a95d |
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font_02_sfnt_off00014f09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F09 | 10892 bytes |
SHA-256: b71c6f51b6a0b789308fa50d2a5144697ec5220773c3d6476029bd1f04afaabe |
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