MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and a large number of external URIs, many of which appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via the embedded links. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or spread malicious links across disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://irlanc.ru/uplcv?utm_term=wr3d+2k20+apk+mod+download PDF link annotation
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72200882436.pdfIn PDF document text
- https://cncunse.com/d/files/regedozixaniwanomino.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/96176598319.pdfIn PDF document text
- https://uetty.xyz/js/ckfinder/userfiles/files/korepezedodovifo.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/60798281900.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/68520050583.pdfIn PDF document text
- https://icbacademy.com/upload/files/mumesimurarabitis.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/musapezevegowifazatix.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/jedijikofoji.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/12770468251.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/tefizi.pdfIn PDF document text
- http://nc-israel.ru/upload/files/63855933646.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/49182290944.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/2b6edebcad4ed38631477d64cc285faa/wodosopopuborap.pdfIn PDF document text
- http://www.hgekc.com/media/userfiles/file/retexipeja.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/kusagepidojariwadovu.pdfIn PDF document text
- http://fsanaq.com/upload/file/210913051307398502tti7ckr6fi5p.pdfIn PDF document text
- http://premiumdrinks.eu/userfiles/92291931372.pdfIn PDF document text
- https://slotpt2.com/contents/files/vawaraxewatunobamoniroliz.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/50139680215.pdfIn PDF document text
- http://thy-environment.com/userfiles/files/99777315424.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/sezokepaveduxujenexabo.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/3378657587.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613743dc89e2b---saramevup.pdfIn PDF document text
- https://szabolcsipeter.com/userfiles/file/lezagu.pdfIn PDF document text
- https://kaparatt.com/images/File/tofipozus.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_off0000b53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB53D | 10648 bytes |
SHA-256: a7bc8a76371709aee2e9a05972da7e69429952667b21c7809dcc79523cff606d |
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font_01_sfnt_off0000cda5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA5 | 14980 bytes |
SHA-256: 2416ac41af10119761ee61968f9aeaa90b4fbdc49149605965455cf55b0acb8c |
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font_02_sfnt_off0000f302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF302 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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