MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm designed to distribute malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further support this, indicating the document's primary purpose is to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=miraculous+ladybug+season+2+episode+11+en+francais
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/8d2igkakqlb02u7g2k4hapq2bu/33323538637.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160794352d45fe---60852856451.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810d6b00fd3---16680805747.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f63c627f8---70641315072.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/5a715384bdf6039f477b0d5a37f8b380/zoreminesulujukusulu.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c934c1a858---papefogagilaripagajikox.pdf
- http://sacoorhealth.pt/site/upload/file/97713200993.pdf
- http://china-zub.ru/userfiles/file/zural.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b6f04a82ad28b1d7f24c38e05f5dc4cd/1278231971.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/af0817713f877d3db86f459ffac75961/wonezopexu.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/feb0104ef4bd066bc3171b4089943194/tufusara.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f6a42a9fef45c0018c095a41b0f63533/2017253037.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b655e5ee14d---41080740100.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e20ca877b4---88315498655.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/84b323d51d54f3b3a3f197d14a6e5224/zikeximuliwubuzux.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16072b0a240cc1---zupoloberunuviwex.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012a2a.binb6896ef16acf605267c478a5f0f025ef970474a58675e65be93ec016c4f4e5bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2A | 5752 bytes |
font_01_sfnt_off00013de5.bin9d0515ae9f7ddfb73747bd0ec9e861abc39d74179f40fa7ec5c8fadcf0f00591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DE5 | 13304 bytes |
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