MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm on disposable hosting, directing users to download PDF files. The 'Browser extension / update installation lure' heuristic strongly suggests the document's purpose is to trick users into installing malicious software or granting unauthorized access.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=remove+disabled+apps+android PDF link annotation
- http://www.logomarcanet.com/userfiles/file/10443707219.pdfIn PDF document text
- http://88cpap.com/userfiles/files/sedewiboxujo.pdfIn PDF document text
- http://gizmakina.com/depo/sayfaresim/file/56691828353.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/vepuwusobugerumibunaz.pdfIn PDF document text
- http://wonsakai.com/uploads/files/85193850656.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/86057809827.pdfIn PDF document text
- http://kielcenoca.pl/files/file/romupeb.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/a4a43c0bbff6753c5dfdac3956381521/27303653867.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/51840030800.pdfIn PDF document text
- http://kayapalinakliyat.net/file/70043727158.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/1129800376.pdfIn PDF document text
- http://huarong-bio.com/upload/files/2015155342.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/zekixezulud.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/guzum.pdfIn PDF document text
- https://sushixusa.com/userfiles/files/86842340947.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/saliporefoju.pdfIn PDF document text
- http://heathrowairporttaxi.website/userfiles/file/11574498073.pdfIn PDF document text
- http://greenbrier101.com/userimages/zofexu.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303ab5a0e42---61022638791.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/65146230518.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/8816212733.pdfIn PDF document text
- https://fainitelecommunication.com/public/editorfiles/file/rixigokude.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_off000117d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012fe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FE2 | 20540 bytes |
SHA-256: f3c4f3f8090d5c9953b0412316950b0f26b232e8d35c920f63f9872e502e0b9f |
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font_02_sfnt_off0001655e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1655E | 10708 bytes |
SHA-256: 826cd99e3d8b8a4a74a7321b72fb8543208a14c7b2cf5f3946eeaf8c4318013c |
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