MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the structure and heuristic firings strongly suggest a phishing or malware distribution attempt via a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/ebb507d3a37f9cd8c93d52b9e2760fb5/62891425541.pdf In PDF document text
- http://huyminhplastic.com/upload/files/wufajonugokogevisadololas.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/21cc654da9rmd6prd7693k52a6/wososa.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/46670983088.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/donamumoja.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202110050931529181.pdfIn PDF document text
- http://ladna.pl/user_images/file/vovarejisojenalalugekinin.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/20509671535.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/xugigogatajosixurubupon.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///sakedemonikalavoxatijoku.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/domuwesu.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/kigorebufeperutu.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/66619248762.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1615c7a3501302---69942845690.pdfIn PDF document text
- https://bachson.net/upload/file/31769107217.pdfIn PDF document text
- https://oceanflowerhotel.com/uploads/image/files/xelul.pdfIn PDF document text
- http://www.tahi.hu/ckfinder/userfiles/files/51233930279.pdfIn PDF document text
- http://immopolignano.lu/images/tomubasogumofosezaxumewo.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/h22t4k0nud4dlfs29bql8qaits/72639288215.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/korodepijerulu.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/56902748627.pdfIn PDF document text
- http://rulada.by/upload/editor/files/ruzazugekasevivixogadodo.pdfIn PDF document text
- https://restaurant-kamkok.fr/img/Data/file/831695121.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/6582106583.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/fipipidexajefeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=what+does+it+mean+to+wax+philosophicalPDF 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_off0000d2ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eaff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFF | 19300 bytes |
SHA-256: 66313be38f0c2176ad7d63f53ade3b78d7f30eedf65eb3bc3026d7db3238aab5 |
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font_02_sfnt_off00011cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD9 | 10860 bytes |
SHA-256: 77468ba8dff815fcc49ec01e3d71abb6c677cf62df44cf00202342a4886efe68 |
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