MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm on disposable hosting. The PDF contains numerous embedded URLs, with one specifically pointing to 'synerhu.ru', suggesting a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL patterns indicate a malicious intent to redirect users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://synerhu.ru/uplcv?utm_term=redmi+note+10+price+in+europe PDF link annotation
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/60986960566.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/39052045994.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/talubafojadizelobunixi.pdfIn PDF document text
- https://tucarrorentacar.co/ckfinder/userfiles/files/55152987456.pdfIn PDF document text
- http://pluimveebeurs.com/userfiles/file/wujenekifujikujoxexe.pdfIn PDF document text
- https://cityface.cz/res/file/73037196144.pdfIn PDF document text
- https://shoppingplanet.cityplanet.ro/ckfinder/userfiles/files/1613927152.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/349282947.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/86438361031.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/disixejekofewefumivuji.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/2952450561.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/2dacaa70fcc3d34393d4468ead05ec96/robabap.pdfIn PDF document text
- http://golfvillageonline.com/userfiles/file/fidemipesufigadosukisusek.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/47554332207.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/woxatebiw.pdfIn PDF document text
- http://gyliver.ru/files/files/3687534254.pdfIn PDF document text
- https://thepainter.asia/upload/files/25927678953.pdfIn PDF document text
- http://rjbmachinery.com/d/files/46898870066.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc6f477ce---mudedibamigofa.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/11483190922.pdfIn PDF document text
- http://cloverdiamond.com/file/ruxejufozakir.pdfIn PDF document text
- https://10s317.com/uploads/files/202109131410071276.pdfIn PDF document text
- http://andlupa.com/userfiles/file/jowosenomotowa.pdfIn PDF document text
- http://kapfenberger-schuetzenverein.at/userfiles/file/86025064711.pdfIn PDF document text
- https://arbormaster.net/uploads/files/fadovukigipazubujekewokal.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_off0000e34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34D | 10620 bytes |
SHA-256: ba2394e63630309edf0c32b06da567fd245138975e7514c7167f345a810cf733 |
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font_01_sfnt_off0000fb8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A0 | 18092 bytes |
SHA-256: d047611d208072dd84ce35d1d829aa078b99119497c9f6c3c6556feecf88331a |
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