MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised Content Management Systems (CMS) or utilize disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://daulte.ch/ckfinder/userfiles/files/mawidaduluwokosekimoju.pdf In PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/66317366820.pdfIn PDF document text
- http://charivne.info/images/file/kojonaveveremaduzojitafo.pdfIn PDF document text
- http://exmar.it/foto_fck/file/48340941653.pdfIn PDF document text
- http://www.heksan.com.pl/file/xikiforinadapudalowugaz.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/budututapajubi.pdfIn PDF document text
- http://hud101.vn/webroot/img/posts/files/viridujekivuwovexado.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/didozonigedeximabedi.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/cbc7154f48ce65b465c38f61a285f01e/funarovoxelapasexonemu.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/39421533058.pdfIn PDF document text
- http://dichvuhangngay.vn/uploads/image/files/13463607095.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/d9eb7f873c5fc4644e83c5c7ab5e7c0d/gebexobajozebugif.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/diwak.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbfebaa89fb---49607473643.pdfIn PDF document text
- http://ridgefieldpark1967.com/clients/3/39/39eebdc8797e30ee23d4fd57d071fd44/File/71122629751.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160828f88c7c8f---gogizosijop.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/7ab7eca95bd24aaee79d84246412a4cc/36423703908.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/pejenidelure.pdfIn PDF document text
- https://jagominum.com/contents//files/29671538065.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/10192117832.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123c3420d1ee---solonujesusinidos.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/81480528638.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=such+a+holePDF 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_off00010565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10565 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011d7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7B | 9940 bytes |
SHA-256: 195203903914a30d5ad106db6d600b00faf36fd65e58a3adabec7121891ffca7 |
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font_02_sfnt_off0001339e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339E | 16852 bytes |
SHA-256: 4dc9bc0c8d878ba53c1c2ab83cb3f1488d604a80d3259ad0a7c1c08ffe8ebc34 |
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