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 disposable hosting or compromised CMS upload directories, indicative of a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=how+to+hide+pics+in+gallery+android PDF link annotation
- http://sattosushi.com/uploads/files/jugewedipiv.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/kunelowumogiguwufame.pdfIn PDF document text
- http://artemon.nl/userfiles/file/najigebivaxevox.pdfIn PDF document text
- http://cnsgawefgl.netsociality.com/upload/files/powawukarokaxakodaw.pdfIn PDF document text
- http://dblbtech.com/userfiles/file/77094287999.pdfIn PDF document text
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/85416444154.pdfIn PDF document text
- http://siamintertrade.com/file_media/file_image/file/80966963080.pdfIn PDF document text
- http://grabnerestriche.at/lakavitikibaruvodukix.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/140fd68e9004472ced9c5bd923a8c2df/48102648727.pdfIn PDF document text
- http://gpe-el.pro/ckfinder/userfiles/files/xanemizuzoxapurukolejigus.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/munodudoniginowunatomige.pdfIn PDF document text
- http://globalcenterhotels.com/bot/ckfinder/uf/files/21839011844.pdfIn PDF document text
- http://oxigensupplies.com/shipinc/userfiles/files/23894740045.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/pusabelon.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/14891909848.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138169f44053---76355813728.pdfIn PDF document text
- http://www.armstrongre.com/files/files/tozazatowudofidapiwulabo.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/85017674839.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/fb833dfda10bf6337ecc53518b807b03/11302309230.pdfIn PDF document text
- https://zebcom.in/userfiles/file/gegefedirenilem.pdfIn PDF document text
- http://chip-chup.hu/upload/file/7915979992.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_off0000c48f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC48F | 10984 bytes |
SHA-256: 5d33be26cb5b761b00a809881bf77320e7d1146515f8f5dd8dea2ac015214d9c |
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font_01_sfnt_off0000ddd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E8 | 17212 bytes |
SHA-256: 249e858df43fef08c449468c44ad6cba7f9091cf447f38a970dfd1d184140836 |
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