MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, many pointing to potentially malicious domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the idea that the PDF is used to distribute links to external sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://usmleworkout.com/files/file/zigiwef.pdf In PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/td4akqh6lk7kq6j9gve7o78pm7/8037860920.pdfIn PDF document text
- http://pinxedien.net/upload/files/sosidarumesidazizebiwanos.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/38255250696.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/79603811286.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/boxebeletubotopogu.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/safaguwo.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe9199922b---92323303961.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/60829796166.pdfIn PDF document text
- https://michelbarbot.com/upload/files/jasizudolubagasedufe.pdfIn PDF document text
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/sitededosilerirobeni.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/17891432597.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/userfiles/file/begepevalutufagarajajegos.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/wefulowugoda.pdfIn PDF document text
- http://metalzilembo.it/userfiles/files/28588442638.pdfIn PDF document text
- https://robertbah.si/files/file/xaridoxinazutabodawewubew.pdfIn PDF document text
- https://alves.bg/ckfinder/userfiles/files/nipapezetasozebupolimudo.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jalidepigidigexulevoreraf.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/5674093881.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/27023472430.pdfIn PDF document text
- http://unicorn-furnitures.com/d/files/96315850891.pdfIn PDF document text
- http://didula.ru/img/file/tixanebodolukaseterenisix.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/wutajolinuwakijalumera.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/25634554660.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=midi+player+apkPDF link annotation
- 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_off0000d117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD117 | 19220 bytes |
SHA-256: 658ccbbc615ecbb074abd74eb6282d9bd200cad1cf04f70741516c958697597b |
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font_01_sfnt_off000103f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0D | 10096 bytes |
SHA-256: 971707a2a966f5855596b7673ac8092d33d70dba1f38772c6d69c743547d8263 |
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