MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and a machine learning classifier, with heuristics indicating embedded JavaScript and a high density of external links, many on disposable domains. The presence of a 'download button' lure further suggests a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the download or execution of a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crysiq.ru/uplcv?utm_term=niazi+tv+hd PDF link annotation
- http://lamgi.pl/ckfinder/userfiles/files/36610127516.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/15619287759.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/75327381306.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/fikamanoxe.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/fulevasivetonuwoxesube.pdfIn PDF document text
- http://le383.com/uploads/files/munukanifadomugabixufa.pdfIn PDF document text
- http://funkyspa.net/ckfinder/userfiles/files/giwimak.pdfIn PDF document text
- http://ktcyy.com/ckfinder/userfiles/files/gazela.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/mimukibazebuv.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d50a3577e---50866260227.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eccbacaed9---nerewumewisuzinodalalubo.pdfIn PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/fefalowegidalamemo.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/sirugawozeletujeretuzilo.pdfIn PDF document text
- http://slsnn.ru/content/files/61844581607.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210923145003.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/xubafegijemit.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/77973102902.pdfIn PDF document text
- https://greenline.bg/userfiles/file/61616290845.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/dimegaxijadikiruzofaxovoz.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/93919443147.pdfIn PDF document text
- https://hoya.mobioptika.hr/UserFiles/file/fakisikurigigubizijuma.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/96149823661.pdfIn PDF document text
- http://poketomecam.com/uploads/files/pivarogoke.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_off0000dfd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD1 | 9780 bytes |
SHA-256: 13815a1dccf6be9551b981e5fc50f10ad06e0e484ecfe3a289527f4f12ff6835 |
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font_01_sfnt_off0000f552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF552 | 17024 bytes |
SHA-256: 548337ad7ec2be1c38e8c07780bde3a9d2e30d10b7377dc7e1109211dad0f40a |
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font_02_sfnt_off0001216e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1216E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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