MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF document employs a social engineering tactic, presenting a lure to install a browser extension or update to view content. This is a common method for delivering malware or stealing credentials. The presence of numerous external URLs, many pointing to PDF files, suggests a link farm designed to host and distribute malicious payloads. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://inwebjor.ru/uplcv?utm_term=dolphin+zero+apk PDF link annotation
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/xavukoperetajizukabezegaf.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/17827778079.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/67588897789.pdfIn PDF document text
- https://servingltda.com/userfiles/file/86141751230.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/48553080063.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/22356927654.pdfIn PDF document text
- http://poketomecam.com/uploads/files/69946807871.pdfIn PDF document text
- http://irinabailey.com/upload/files/72451774261.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/4200126826.pdfIn PDF document text
- https://jetaime-shop.com/files/91675299171.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/78a19a677484acc865335bbc564319c4/32806810383.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/7402242954.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/pugiwevijuwabakemeg.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/14146869311.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/gajepuwogipopoloniletadi.pdfIn PDF document text
- http://prinsart.ro/uploads/files/87413833298.pdfIn PDF document text
- https://ddmmaze.altruistictech.org/documents/img/upload/files/4541017377.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/84250596674.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/puvabika.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/59868453308.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/viziranomezivijatigudut.pdfIn PDF document text
- https://kingyao.com/uploadfiles/files/20210831_230306_1954.pdfIn PDF document text
- https://taperagi.com/contents/files/fiwerukufilek.pdfIn PDF document text
- http://euredit-editions.com/userfiles/file/40017371720.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_off0000d950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD950 | 10236 bytes |
SHA-256: 49ccbb816406a0a1584eef2966eb9403de32b4112d975225178a1c080b604201 |
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font_01_sfnt_off0000f02f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10841 | 18980 bytes |
SHA-256: 9bd2a202f3c4c3c42fe9c4a9746ec63980d0a5ee6593c3803c63be03ae0fc7ff |
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