MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to link farms hosted on disposable domains, suggesting an attempt to obscure the final malicious destination. The presence of a 'screen fingerprint lock app download' query term in one URL indicates a potential lure for users seeking security or utility software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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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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://oniceh.ru/uplcv?utm_term=screen+fingerprint+lock+app+download PDF link annotation
- http://mya1fc.com/files/ckuploads/files/rovifapavubalaxozibutowu.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b0603d5f867---dojobozipujomulofuv.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072c20b6a7ab---78528042408.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1c371f957---58570057520.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/13022779085.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/vomefifivisememutiz.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/c0f9e876ebe2414a38e7a26a9de4a140/tituviwisak.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8e130caff---wagon.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/7261875925.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/2u4vmom9bjt07k9rjpt9a10s4t/18464417359.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac890bc5ad---vuxodosapafov.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/ka20nkvbifa6l8hf14ir7en2c0/bubegevamujozilalivulo.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a37b06a8550---revususep.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/hksdkmnu9k35bmgblg58q0ndjj/32080135275.pdfIn PDF document text
- https://master-service.ro/images/file/96516947951.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/2uuttt7krbcna69lm1cd77tcfh/bebapojobikolejaso.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e06f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06F | 5404 bytes |
SHA-256: 9b15aee29767a5d6fbf2e0b472f64737f446e335cc6fd92935af5177d458d902 |
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font_01_sfnt_off0000f2fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FC | 11152 bytes |
SHA-256: 63db8f928c8b67247506a282279029a51d747316a974bb50cae7ed4dc1383d24 |
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