MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to phishing or malware distribution sites. The presence of external URI heuristics and link farm detection further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://archism.ru/uplcv?utm_term=fake+cvv+code+visa PDF link annotation
- https://soportedevida.mx/ckfinder/userfiles/files/29138599583.pdfIn PDF document text
- https://xehowo24h.com/images/ckeditor/files/mijop.pdfIn PDF document text
- https://gegeny.hu/uploads/file/ririd.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/lekirugubujiwodezew.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16130a31446cee---54691703816.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210911_2B4C9746380B17E5.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/20009450866.pdfIn PDF document text
- https://jingchengs.com/jingchengs/ckfinder/files/20210904104329.pdfIn PDF document text
- http://oumkua.com/userfiles/file/53758297774.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/9681820752.pdfIn PDF document text
- https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/genufekezosa.pdfIn PDF document text
- http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/43208603162.pdfIn PDF document text
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/34578638522.pdfIn PDF document text
- http://mbfeed.vn/upload/files/detike.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/48755986330.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/22ae862cf39b4789d41ccf5ddd221cbe/6437582774.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/76012907207.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9d2fc08cd---26821086252.pdfIn PDF document text
- http://seattlebestteriyaki.com/uploads/files/44983362084.pdfIn PDF document text
- http://qlionshousing.ca/userfiles/file/tugajagebekajed.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7eec9ce08---pasovel.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/modimemuradukaz.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/gulokidogifufovuribi.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_off000104f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F6 | 17676 bytes |
SHA-256: ee131921931ab2c415e220e27d626920c417cb7c4f173d18219d531b2f6b46d9 |
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font_01_sfnt_off000132b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014ace.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ACE | 10152 bytes |
SHA-256: cccf152a88fcdaa32378212092d48e147317300e51b684f4ed03e9b63eae858f |
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