MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains and are indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/73529647605.pdf In PDF document text
- http://wsmr.us/userfiles/file/famowugowakeleguti.pdfIn PDF document text
- http://dinhviht.com/images/newtech/files/796359253.pdfIn PDF document text
- http://adm.stikom-db.ac.id/js/uploads/files/lajeredulamude.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/rapinerupuxodefid.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/bozonalinije.pdfIn PDF document text
- http://chemtron-vostok.ru/media/file/80704002374.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/47162826997.pdfIn PDF document text
- http://jin16888.com/userfiles/file/fifana.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/58051107496.pdfIn PDF document text
- http://jjinline.org/file_upload/file/91579777618.pdfIn PDF document text
- https://kentacademymiango.com/userfiles/file/lopilujetikalabaletemopiz.pdfIn PDF document text
- http://luchetti.it/userfiles/files/vusobi.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/56021225778.pdfIn PDF document text
- http://autodilygood.cz/files/file/94786217178.pdfIn PDF document text
- http://www.luna1956.com/images/library/File/zazaxujajirilujapikapim.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/wowixukejowalod.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/e64252e888297e63504ec5144e2bf0c6/gilogitowaboja.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f6aa869a86---tukor.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/romomikimefubamewogadiwa.pdfIn PDF document text
- http://kirsanov-maslo.ru/uploads/niralotisoto.pdfIn PDF document text
- https://rrr71.ru/upload_picture/87304585874.pdfIn PDF document text
- http://mayphatdienngocquang.com/media/ftp/file/64177254180.pdfIn PDF document text
- https://tenshinorchids.com/FCKeditor_upload/file/wuxazizig.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/daxepolibavuxiwu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=fax+575+brother+manualPDF 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_off0000daa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA1 | 10616 bytes |
SHA-256: ed5c1fd20d1f1cfd138471c3d1d791ddfdc10be1db91ec1db99efc8b5bb841ac |
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font_01_sfnt_off0000f2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ae8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE8 | 22892 bytes |
SHA-256: 38fc02f942f056d9aa5839509a1ea463b957c0db99997b2ab6f612188104c6d9 |
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