MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to host numerous links on low-reputation domains. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment, indicating the file is designed to trick users into visiting potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://nomylo.ru/uplcv?utm_term=market+leader+business+english+course+book+3rd+edition+pdf PDF link annotation
- https://hyper.vessty.com/_img/files/zenubiw.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/xaditapek.pdfIn PDF document text
- http://wsp.pl/userfiles/file/munomi.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/7245969e8e825e940b24d9b48f3127d7/gejotetekoguruga.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/topiwelajanun.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/jagesidoregegadot.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/23380480262.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/fifewolekukiz.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/43575072447.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/titafupudoges.pdfIn PDF document text
- http://dansungsala.com/uploads/files/medifixaraxope.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/xefawular.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138fcea57372---mesar.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/86917686276.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/32998040352.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/gefikebilefet.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/55055281540.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/47545060592.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/rulivifuwibudonixalezifi.pdfIn PDF document text
- http://debeight.net/UserFiles/File/7056076924.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/wuwoluvamofalibaku.pdfIn PDF document text
- http://zenkatsu.dk/files/wekupowexixi.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/83989461137.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/vugex.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/83945296976.pdfIn PDF document text
- http://vetcasatenovo.it/userfiles/files/9734526169.pdfIn PDF document text
- http://bluebiz.kr/userData/board/file/nedikumebumuxulekugula.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_off0000b520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB520 | 11396 bytes |
SHA-256: 04771b478f0ccaec68f9379d99ad693965aab92926aac7831bb5477c2252d4aa |
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font_01_sfnt_off0000cf85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF85 | 14732 bytes |
SHA-256: 8b1863a1fd0d37460b6b526867e90185874859cc47a22b904447f2976d130456 |
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font_02_sfnt_off0000f4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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