MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites or disposable hosting. These links likely serve as a link farm to direct users to malicious content, potentially for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://www.lukoilmarine.com/ckfinder/userfiles/files/26091340058.pdf In PDF document text
- http://china-zzld.com/uploadfile/file///2021062609073344.pdfIn PDF document text
- https://clinicscrm.com/img/files/folijo.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119c36485b2f---befugerimoluti.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/1270082322.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/24975951039.pdfIn PDF document text
- http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/ruluvanusuxus.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2503ba575---zegexeloxuvunofuva.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e957426238---15173892807.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/mik33e7nqptrrp3vtvi3bg41et/mazogevar.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/tuseka.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/xaxurededavosoku.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/ruxajigona.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/711808c399c13d5ce4e01ab4425b5fe5/rigilalupip.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/pizegoxe.pdfIn PDF document text
- http://agro-vostok.ru/userfiles/file/3717372122.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/29521945975.pdfIn PDF document text
- http://kcde.kr/userfiles/file/66486394400.pdfIn PDF document text
- https://arab-hams.com/Ups/files/58675978127.pdfIn PDF document text
- https://jf-orvalho.pt/userfiles/file/38909497474.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16125ed15e53b2---33465599579.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/2ufk8nbbpr4nul2h3or1nf4afi/11443499128.pdfIn PDF document text
- https://holyfamilyhospitals.com/ckfinder/userfiles/files/97412305332.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e2585e472---83745361239.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=chartered+institute+of+internal+auditorsPDF 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_off0000c301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC301 | 10584 bytes |
SHA-256: 9314b82dd7158900ec97671b85920dab8943d7b6f0a0195c79b04d7d840bf4ce |
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font_01_sfnt_off0000db24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF336 | 17528 bytes |
SHA-256: 104647f63ff7fc3dc6f94f4bc409b2574c8ff5babb7a8fd03c275482810eb3b9 |
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