MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to compromised websites and disposable hosting, indicative of a link farm designed to lure victims. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9874
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://crysiq.ru/uplcv?utm_term=facing+the+giants+study+guide+pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/75715300881.pdf
- http://pngroup.pl/ckfinder/userfiles/files/kukosog.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16082495094718---56195637737.pdf
- https://sahodayabbsr.com/test/fckeditor/file/joloti.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/kewojilesazunu.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/03d89a815a80dfae896f02c396823a80/jozimapanagubitaf.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fbcfb974e---39727262134.pdf
- http://flatadministration.com/uploades/fckeditorfile/vinotomosun.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607976698f46e---52434140711.pdf
- http://incomsistema.ru/ckfinder/userfiles/files/mudikogur.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/68cef13c6298d1c5ae84b700435a9e39/91316951381.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608244a23b864---kinorekome.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/018e8080d21bfa7669a7373b9c3588eb/83769166810.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/f7a84b2e2fe258e91824960258cb994c/tesuduxapedotuwejazunig.pdf
- http://angerdress.store/ckfinder/userfiles/files/17898745054.pdf
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/fibewaxoguzosit.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607252b192d72---durixajajevovu.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/0f8d598c631e5e4e1a785cce43cdf1eb/jifuveb.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/e6745d21b98e7ce7859d98ef6c7f1342/85508343302.pdf
- http://ballarioarchitetti.eu/userfiles/files/xifibu.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f210f9ac0b---12778077315.pdf
- http://trendybiz.in/usersfiles/file/rabewojo.pdf
- https://alihuata.com/userfiles/file/jinapikonomo.pdf
- https://haysalon.com/public_html/userfiles/file/61647876786.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011bd3.bin17dfbf0972f32d370ed13907797d75c19dab86c8ea7682cdb766302ed578ec15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD3 | 18232 bytes |
font_01_sfnt_off00014c02.bind917ac567a94d9b97fd858c3635ca6f9f61f619eb35fe508f5cacc860f886e4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C02 | 10824 bytes |
font_02_sfnt_off000164ba.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x164BA | 16792 bytes |
font_03_sfnt_off00017ccb.bin691e517c213823b3b70cdb1a2a958c7968597e27cd7000701d0e828367d699f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17CCB | 16944 bytes |
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