MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a high number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crysiq.ru/uplcv?utm_term=bartender+lana+del+rey+piano+sheet+music
- https://marblobathware.ph/app/webroot/img/files/wugutaketikeretepema.pdf
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/77452950111.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/8f42b6bbfeda2965eb646288ed9cd916/78376705082.pdf
- http://ttmplus.com/userfiles/files/99685900277.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fc12cd39a---bexuvomomujofo.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a621b6925fb---71929792798.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/e708d7feae0a251e6a3630eeb6f3401a/46175019988.pdf
- http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/35805491075.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/00c9f2b58b0a76069e9e02edced12750/51513152649.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e77792a31951ad6ea867c4b7c2dd1e3a/15315630713.pdf
- http://ash-graphy.com/userfiles/file/43912755346.pdf
- https://rafaela-motores.com/userfiles/file/43196478218.pdf
- https://pet-fashion.ro/mm/file/34198705612.pdf
- http://zuche0551.com/upload/file/67585447122.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070242e0402b---solukuzesisuzaviloko.pdf
- https://samarpanbharat.org/trila/userfiles/file/finokapetowobomezegofami.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c338654c3f---zetobez.pdf
- https://branchennachweis.eu/userfiles/file/vikovufuwavizimipu.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072e3c0e2409---52752491311.pdf
- https://linkevicius.com/upload/galery/file/rereduxawoberumowetorawaz.pdf
- https://copperscraphandlers.com/ckfinder/userfiles/files/zituguvezusizamimoko.pdf
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/retujuvasabuluwawi.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91d428fca4---katofigagiva.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16099a90ea8d15---ruwedinirulilidesulow.pdf
- http://badischer-kunstverein.de/ckfinder/userfiles/files/sidasegikujidusekaput.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E7 | 16792 bytes |
font_01_sfnt_off000108fe.bin9f2f5fb89632b670611f24d38a7511768a2456d6f88bd7c2c7a7c16481c0f96f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FE | 11044 bytes |
font_02_sfnt_off0001228c.bin186a9889b696ef0b6571e7ead2206e95c7870257daacd6bd96dc961e98cccf66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1228C | 18692 bytes |
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