MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to potentially compromised or disposable hosting. ClamAV detection and ML classification strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://casier-a-bouteilles.com/file/pojubamoxak.pdf In PDF document text
- https://valstybestarnyba.com/upckfinder/files/dovelusarerorov.pdfIn PDF document text
- https://tootooair.com/FileData/ckfinder/files/20210903_9F9BF35DF8C83AD4.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/3l49at1ip8jn5spqr4mkshn5l7/61374314657.pdfIn PDF document text
- http://mtcclassof81.com/clients/0/0a/0a45bd3013a8cc77df817aa526a911b1/File/2490515577.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/xodurupezukibemuwiruludaz.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d442b718253---dazumilatatobakoso.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c6358528c---gibipefu.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/jenowufonob.pdfIn PDF document text
- http://dchs1961.com/clients/871949/File/45479589719.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/92387794221.pdfIn PDF document text
- https://murten-hotel.ch/userfiles/files/rofitaruxemigupurexega.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160745d01df1e9---panasikobabexefiwiti.pdfIn PDF document text
- http://gift-founder.com/archive/upload/files/28574104804.pdfIn PDF document text
- http://immodraft.nrw/images/architekten_agentur_images_/file/besefikekutipilo.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/04690062d23883aa0087d55763e2f99f/7997702419.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/c9j872u111c6qjnvf059mlrag5/wuzafowavujagi.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/c834c71106f8b93e4e0c1c1c4d44ff4f/15765048472.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/fde1c46e0114339c111dd3e499f60d54/ladufexufarafukepigo.pdfIn PDF document text
- http://konyaozgunmobilya.com/userfiles/file/lobiluzaginiliri.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a2623e328---90875260079.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/gulavofitogireros.pdfIn PDF document text
- http://studiorapizza.it/userfiles/files/36078923490.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082e087b6c5d---nizopisifumesebiw.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/c237fd372b88b54c6441e8311d2efc27/mibiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=basic+one+english+exam+pdfPDF link annotation
- https://mediaget.com/userfiles/files/bisotobuvekufo.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_off000102d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D5 | 11024 bytes |
SHA-256: f936e6dd548c60f3612a0e2df89ed2d6cf8dcd61a93441931f78429eeb000704 |
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font_01_sfnt_off00011c11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C11 | 19284 bytes |
SHA-256: 059233c2ab2586f6a941313f0111d0d02b6ddfc81181beb7dbe4785f67579e15 |
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font_02_sfnt_off00014e8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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