MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically points to a non-clustered link farm on disposable hosting, reinforcing the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=importance+of+pedagogical+content+knowledge+pdf PDF link annotation
- http://kedehg.com/ckfinder/userfiles/files/nuxadesimimasevusomeseg.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16136d27519728---serewegawure.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/46095404248.pdfIn PDF document text
- http://z-sinpro.com/upload/files/78448121861.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109040500504717.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/fanawuvowur.pdfIn PDF document text
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ravuvaliviwexadiwav.pdfIn PDF document text
- http://hiro-seiko.com/upload/files/vosubawetotitisoxovape.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/dujoma.pdfIn PDF document text
- http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/84011209364.pdfIn PDF document text
- http://bellina.pl/userfiles/file/71042402035.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613557f7be7c4---77339856418.pdfIn PDF document text
- https://foodvellythailand.com/upload/files/mezifufatuwinurof.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zitobisibugezerikesoxajod.pdfIn PDF document text
- http://novena99.com/uploads/files/202109020726456241.pdfIn PDF document text
- https://actor-conseil.com/files/file/12307576804.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/kigofasetejofigukoxaz.pdfIn PDF document text
- https://yodishit.com/uploads/userfiles/file/sotewifibomidoji.pdfIn PDF document text
- https://sleepthai.com/piceditor/file/37223002746.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/puvizuvimenuvatolovezubu.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/65663987367.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/bidetoxexal.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/34399686442.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/lujilumenip.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/fekineniluzulifasates.pdfIn PDF document text
- http://www.enredmail.com/templates/files/idCliente_/file/15727712440.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_off0000fe9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9E | 10924 bytes |
SHA-256: 3a01938062edc5b12cf9d74d620185dda93ca102816d231fff39b1717f913a1c |
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font_01_sfnt_off000117b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B4 | 19104 bytes |
SHA-256: 06ea3befe57a15c0d11d4c694896c0f543acd7c5815145e831b1ff8f7251701d |
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font_02_sfnt_off000147e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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