MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, indicating it is designed to redirect users to malicious websites. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the high number of distinct hosts suggest a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving exploitation or the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=run+apk+on+android+emulator PDF link annotation
- http://tao-oita.com/admin/upload_filesfile/76777737857.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/0213362b3d55aa163421587bd2afee26/vupoforeleza.pdfIn PDF document text
- http://abwrva.com/uploads/files/91946430041.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/pozaxapurowavusigavaruvo.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/25040124677.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/65352443160.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/94406742020.pdfIn PDF document text
- https://nistd.in/userfiles/file/dekiputeb.pdfIn PDF document text
- http://mosvag.ru/img/lib/file/duzomagifib.pdfIn PDF document text
- http://ricettebiagi.it/uploads/assets/file/zapigisanige.pdfIn PDF document text
- http://orikon.net/Images_upload/files/terenigel.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/41519983467.pdfIn PDF document text
- http://studiorumeo.it/userfiles/files/48964356795.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/56036905210.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16135bc172b73c---torojagelaliw.pdfIn PDF document text
- http://hodori247.com/uploads/files/31371493795.pdfIn PDF document text
- http://4bx.pl/public/file/28854974380.pdfIn PDF document text
- http://angelascanu.it/uploads/file/jadujazewolagizerako.pdfIn PDF document text
- https://moveo-sport.pl/userfiles/file/kupukebazelejozijizumi.pdfIn PDF document text
- http://borik.customreal.sk/data/files/73294700446.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/dovenovafolojuk.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/62675008287.pdfIn PDF document text
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/16599400285.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/m6akef1mls3p4b0toc235sfg3h/24838825048.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_off0001224d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1224D | 18044 bytes |
SHA-256: 7202e42a31b331dd3d0d574a6df7d3374c97ad8a583d930af3fcf7a0409338ec |
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font_01_sfnt_off00015191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15191 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000169a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169A8 | 10624 bytes |
SHA-256: 3c95bb8336ff7eb1896a0375703c465856b06eb75aebdebb3fc02de27778f2cc |
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