MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable domains and are part of a link farm, suggesting a phishing or malware distribution attempt. The presence of a visual download button further supports a lure-based attack. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=download+video+bokeh+full+jpg+to+pdf+converter PDF link annotation
- http://oa30us.com/userfiles/file/29812305575.pdfIn PDF document text
- https://aleemanschools.org/userfiles/file/43812745847.pdfIn PDF document text
- https://bcm.es/files/galeria/files/wazuzawopijomuxu.pdfIn PDF document text
- http://moestuinwebshop.nl/userfiles/file/jitikodu.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/5854488715.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/89001811073.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/45183678647.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/titaxixazofonujamum.pdfIn PDF document text
- http://hzqljsj.com/images/upload/File/24132771936.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/63245964340.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/sewimowufozanevozop.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/tanobuzedunimijiluguxa.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/gavuwigagapigitu.pdfIn PDF document text
- https://namphuctourist.com/userfiles/file/jewinulazurutodoborarat.pdfIn PDF document text
- http://leruichem.com/upload/files/84350491281.pdfIn PDF document text
- https://goooinggroup.com/userfiles/files/20210906_011626.pdfIn PDF document text
- http://softtox.pl/new/userfiles/file/49306117589.pdfIn PDF document text
- http://jeyadhurgatemple.com/userfiles/file/42390259856.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8cf6ebe61---13399223519.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447cc2e6d7f---tobonuwukadezeraboxuko.pdfIn PDF document text
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/nibizawojigadasezakuworep.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_off0000cd98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD98 | 17080 bytes |
SHA-256: 20f239ef0cb1d35038f8d3bf2c7b32e693b4d4b3cfa36ebb260f528c96e2608a |
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font_01_sfnt_off0000f9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11209 | 11344 bytes |
SHA-256: 3ef90617734a8e08a582d808e0d476fdfa2a6501ffffad9cd899673ff1d62f9a |
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