MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely redirects the user to a phishing URL, such as https://medvor.ru/uplcv?utm_term=8bp+hack+unlimited+coins+and+cash, to trick them into providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://medvor.ru/uplcv?utm_term=8bp+hack+unlimited+coins+and+cash PDF link annotation
- http://ristoranteibucanieri.it/userfiles/files/84931429034.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109041022159774.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/zopazuwexiw.pdfIn PDF document text
- http://www.hebrewforreadingcomprehension.com/content/mekupemu.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/92747069446.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136419fae81b---14598391029.pdfIn PDF document text
- http://soloparamideco.com/js/new/fckeditor/userfiles/file/panosulefidodel.pdfIn PDF document text
- http://tischlerei-schlusche.de/sites/default/files/file/57979617327.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394c80800a2---vudozevedupu.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/jugejofuzejopuf.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210908_062902.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/jovotasu.pdfIn PDF document text
- https://pacantioquia.org/aym_image/files/79304477482.pdfIn PDF document text
- https://mytopics.it/uploads/file/15055956695.pdfIn PDF document text
- http://dbexpertise.fr/catalogue_dynamique/file/zikuxu.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/pafumefenozagogavakep.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/77562298573.pdfIn PDF document text
- http://dubilex.com/userfiles/files/34902196875.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/9567739460.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210904_5821D66DB8A92876.pdfIn PDF document text
- https://viceda.com/userfiles/file/jopodaseburodutuzeva.pdfIn PDF document text
- http://royalrep.com/userfiles/files/ligelajoxakivarew.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-4/20210904203450169097.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/gefegegazuge.pdfIn PDF document text
- https://hotelite.in/userfiles/file/61399916162.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_off0000c5fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE0D | 17200 bytes |
SHA-256: d05e4346b27e491d4c1c829ed9682120f7d7d4db12db8c5960015bb52cb29e8c |
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font_02_sfnt_off00010acb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACB | 11120 bytes |
SHA-256: 5f0111ea7ad77c578cda63b7324ad2659ce2694aae56e1c40d669cfd6450764f |
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