MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to other PDF files hosted on various domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates that the PDF functions as a link farm on disposable hosting, suggesting a scheme to distribute or redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://inwebjor.ru/uplcv?utm_term=guitar+lessons+pdf PDF link annotation
- https://kmkmekanik.com/upload/ckfinder/files/womefibosonupotene.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/pabupabole.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/cc179304aad9c0bd208546ab6130ea1e/kedosuw.pdfIn PDF document text
- http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/99694367812.pdfIn PDF document text
- https://il-gusto.com/images/file/dunapezoxebidaxorax.pdfIn PDF document text
- https://paperland.bg/uploads/file/27581439798.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/rivuxiforuz.pdfIn PDF document text
- https://tahubunting1.com/contents/files/dobedipodisepazuve.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/35954470938.pdfIn PDF document text
- http://nato-denkmal.de/uploads/file/18810627093.pdfIn PDF document text
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/maralagimaxewovulijefi.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/peporiwodatabanoda.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a66c20ea54---soremu.pdfIn PDF document text
- http://satunatc.ac.th/ckfinder/userfiles/files/tilewiki.pdfIn PDF document text
- https://kasihpaham.com/contents/files/55520288880.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/99203720520.pdfIn PDF document text
- https://whiteplacard.com/UserFiles/file/39246810006.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/32790174648.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/xaradamaxanowanumozinoke.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/64966049320.pdfIn PDF document text
- http://specimport.by/files/files/68905320537.pdfIn PDF document text
- https://85097781.com/upload/files/42419097531.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/fefiraligoz.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/bominaweponufujobigonupu.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/kedoruxutikapibidaxev.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_off0000cae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE1 | 10632 bytes |
SHA-256: 0c62d611553d5e9222427555bebeee5c1af6e8a5aa8fd67fe2148b979556d2d0 |
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font_01_sfnt_off0000e34e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34E | 17100 bytes |
SHA-256: 5afbb292186bb528a564b13317af02f4cf15ef55ff698b7c3263775d2b05a509 |
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font_02_sfnt_off00010f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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