MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which are hosted on disposable domains and utilize UTM parameters, suggesting a link farm designed to trick users into downloading files. The ML classifier also strongly indicated maliciousness. While no scripts were directly extracted, the structure and heuristic firings point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 4
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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://krisoc.ru/uplcv?utm_term=old+road+rash+game+free+download+for+android PDF link annotation
- http://sutinlawkrabi.com/ckfinder/userfiles/files/99562401348.pdfIn PDF document text
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/28432238296.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/gexebum.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/dewevolasevewuzaja.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/lizoxilopirazadu.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613858d37d947---bederalupetezobodovanasa.pdfIn PDF document text
- https://icnj.net/ckeditor/ckfinder/userfiles/files/tapatorivajiniva.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/mukububabelusok.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/36095638665.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26100418735.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/16613685725.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161357cbbad275---5530582465.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/jakafo.pdfIn PDF document text
- http://hlqh.net/userfiles/file/20210906030750_2042476743.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gowimigoxasukatusorom.pdfIn PDF document text
- https://servingltda.com/userfiles/file/86141751230.pdfIn PDF document text
- http://ohmamakitchen.com/uploads/files/49536949641.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/towiwew.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/67128030834.pdfIn PDF document text
- https://protrialse.eu/files/files/bifejote.pdfIn PDF document text
- http://lutechmed.com/Images_upload/files/19934895198.pdfIn PDF document text
- http://www.gpe-el.pro/ckfinder/userfiles/files/2650093856.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/7851008707.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_off0000b96d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB96D | 16620 bytes |
SHA-256: 5c8cf7afe026e9a0d1240595cf12b8c63bf73fc3f3d8b51a5c8ddd6435e4a4be |
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font_01_sfnt_off0000e40f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC26 | 10812 bytes |
SHA-256: 4c33cc989bab3abef6d9e6b576ca4142d1fd086a720273ca61c8b962c321109c |
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