MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also assigned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://drafthe.ru/uplcv?utm_term=tahas+basal+lansakan+worksheet PDF link annotation
- https://adlinefor.com/home/webagen/public_html/korn/data/file/naxitaludewur.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612aedb4afd6c---44517175652.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/47135033601.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f14839500d---delokejatepewovetosidiju.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/jb1tlo7pb7kh4iiej5amp5fegv/96363006730.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609847d03f00d---78263434502.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/fsbbf1e533nhvime8lkvbn1lc4/rimutelomikirek.pdfIn PDF document text
- https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/fisefugamavajometafumapux.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/fozavavawuxifareson.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/150817024e1ba2f17edd4c5176e42596/27792084466.pdfIn PDF document text
- https://esz.jp/img/editor/files/61955010387.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gadukewadurijugep.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f1bce453d6---xuporavefabekepoj.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/85727307455.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/1jf0q80pm9mar6csi2cptl0paj/41705321649.pdfIn PDF document text
- http://nirmalapublicschoolerumely.com/userfiles/file/68548069920.pdfIn PDF document text
- https://alyosserspneed.com/userfiles/files/radaratopoturetibizonu.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/wukusowaloxemisud.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/lituvov.pdfIn PDF document text
- https://canionglobal.com/FCKeditor/file/40678630828.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/30be2e0d3ea10868378a3dea63745419/domalidaxaxivobovarizamar.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/mmnno6eg85qeq52dir7if9hvff/nuloruni.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/532177f5ba8842a2119589822207f14d/lakemavuwegenapexusim.pdfIn PDF document text
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/simodanudijavila.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210904152339.pdfIn PDF document text
- http://93564497.com/userfiles/dulovovitavalubalimubaxi.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/980bf1051c7b3d215730b873af310480/levutujanifukobuvubodoxo.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_off0000bd8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD8D | 15892 bytes |
SHA-256: 651f2ce3d11d61f9b174a45fc88b28e2c87be566b8695eba460ed357561dc6e1 |
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font_01_sfnt_off0000e65f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE76 | 10392 bytes |
SHA-256: 85c66034e95a549e2a08ccc040e8d4c22876a768c6e5b50debcb8c9506471b5d |
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