MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://crewmak.ru/uplcv?utm_term=basic+electricity+pdf+free+download PDF link annotation
- http://foto-klub.dk/userfiles/file/78302929626.pdfIn PDF document text
- http://dj-venci.com/uploads/pages/files/duvofawokijete.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/vudepo.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/lojojibadixi.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161572defe5bd7---18016419448.pdfIn PDF document text
- https://dafelia.com/files/75376661247.pdfIn PDF document text
- http://pure-chiral.com/upload/files/82268595536.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/5478161148.pdfIn PDF document text
- https://grandiosieventinuziali.it/filesUploads/file/56906347609.pdfIn PDF document text
- https://dom4m.com/userfiles/files/17151996474.pdfIn PDF document text
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/62076131077.pdfIn PDF document text
- http://abhinavabhishad.org/userfiles/file/wikewutixonetaza.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9bb655873cfae71bc6ceaa4b2195a2cf/19850801848.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/39201821264.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161402afaf2d72---guzidetexarigevuvot.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/fupuxenomidagutej.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/3813101747.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/8ef950544e146b248b5b038fd44b9ef5/28434911523.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/14b8f0a4a43fbcaaf1ad86c54e227dae/jukuzaja.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/buvogagaminatuduvowi.pdfIn PDF document text
- http://ltpbetel.ro/userfiles/file/xiwow.pdfIn PDF document text
- http://cameradungphat.com/uploads/files/81263206348.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/xoluzegidawuvagamiji.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/37313519416.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_off0000c84b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC84B | 10868 bytes |
SHA-256: dd554ffa753b35cff9c401d13f15e292b059ef41a1d37252c518c141dbed9fbd |
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font_01_sfnt_off0000e19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE19F | 17764 bytes |
SHA-256: e60dba037308b3dc36dc9027f28bdca5157f8f639cb6781e0409b051dc332929 |
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font_02_sfnt_off00010fe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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