MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier strongly indicates maliciousness. While no scripts were explicitly extracted, the presence of numerous external links and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggest the document is part of a campaign to lure users to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://vsetinrally.cz/userfiles/file/55048064080.pdf In PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/v4r9l1uvb23bidoi0q3bqasm0p/65773427271.pdfIn PDF document text
- http://quincy.pl/ckfinder/userfiles/files/51020504963.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/bitirozeris.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/8qjsi4tq68f95kctcmfrgfm9ib/15315681740.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceae83a2e1---ravaperigomularumipu.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b54685975---25928243113.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/jamawiwo.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/kleab2phg36hntjbjh9691kskt/gunegogojaxekazaw.pdfIn PDF document text
- https://arhometutor.com/userfiles/file/xobaxovowinamimapofesav.pdfIn PDF document text
- http://mesahighclassof63.com/clients/79820/File/68676365212.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/jasujuruzebufo.pdfIn PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1626423679_22d35dfc89.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/pobunewewizozi.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-8-18/20210818045421362129.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/laviludovigojozi.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/41562404974.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2bb6c7052---21352271582.pdfIn PDF document text
- http://giovanninociti.com/userfiles/files/61060594773.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607769ab0f575---10322950729.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1610c41db108f5---finupamusesulu.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/bilukogosuxipanavebuge.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/23cf03e84642bfaba92afdb8cf9dab40/sofodofukutetemiv.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/7fa5aa748717f3761e5e25f702e22ab3/sigudeba.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/87547709662.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=convert+pdf+to+word+download+onlinePDF 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_off0000e088.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE088 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f89a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89A | 17452 bytes |
SHA-256: 4d571024d694d0595657f28b4022a07de1033b309717fdb7e690ea47e24321c1 |
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font_02_sfnt_off000125e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E6 | 10508 bytes |
SHA-256: 2a5455a35786fab7172be9b928572b2beb938df71a7f5054e66bdb66fed7e0fb |
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