MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URI heuristics and the ML_NYX_PDF_MALICIOUS firing strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://aneri12.eu/res/file/50939820436.pdf In PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/t04f1k7d7dhpn7cuo7a94rssdb/96178981441.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/perixarimivodexavuzobixa.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/5db30d91e720c8392058933a23ddb818/38634200119.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25bc16e9e1---2325288281.pdfIn PDF document text
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/psbrcpkpqsm4sfinpsm080chvs/kurilejokokerux.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/jft7bu2to3hvfphuvnml5ndhv7/71082783309.pdfIn PDF document text
- http://fructusartis.com/i/File/69976351130.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/89d19c5bedb6b5f18f96a5384cbd1973/13437199156.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/liom3jji7nstodsjmmlfbn7h6q/29615140725.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/las5gth2rfg6tvqm1aic4rtm3r/28633303233.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892368601a5---49823781696.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/26a5e9c307f30cbd9a4814036c3a510c/pumiboxisexejakuwoxo.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c431a484885---73657068826.pdfIn PDF document text
- http://briarcliff68.com/clients/71184/File/49157866981.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/041af5f2b52d996682f9b4527fc0828f/bepabotisevusugo.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/50328476999.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074629eb6e23---sasasajenokiwafefobusubo.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0060d59d8e---zikuwizodari.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/t4mnnn3798hn6cm18ne2um6sj2/pupotogunavefak.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/fencmsqflc1jvtjgl8lniuvcb6/36989618483.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608edb1ce13c3---rezodepitemi.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6fd21eb8a---kuzot.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/wowowezenajogunot.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/73303163218.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=griffis+at+fitzsimons+southPDF 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_off0000f81e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81E | 17092 bytes |
SHA-256: cafd71a17f40372271bde31be5536862681d10d3777364e3ee92ca1024a8f56a |
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font_01_sfnt_off000124c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CE0 | 10500 bytes |
SHA-256: c77ba2ae22bdedd8a958bdf3c41d79236dd556fb56dbc233dc982939262f418e |
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