MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm on disposable hosting. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document attempts to trick the user into installing a fake browser extension or update. This, combined with the ML classifier and ClamAV detection, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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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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://pixomot.ru/uplcv?utm_term=how+to+download+apk+files+for+free PDF link annotation
- http://pixel-pro.ru/upload/file/72063160173.pdfIn PDF document text
- https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/zudexotobijizodilaj.pdfIn PDF document text
- http://beta-rc.com/upload/files/53129887211.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109032256431098.pdfIn PDF document text
- http://potlista.com/file/files/95897119214.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/45054436382.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/jadepaxogurexebemokesuzuk.pdfIn PDF document text
- http://dentistturkey.com/image/files/tamilabatufamanotozi.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/7347225280.pdfIn PDF document text
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/waxaluzujezew.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/nuzosezawakeg.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/93129684437.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/ninimuravuzuporavila.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/megapifunawukogebalaj.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/33634585890.pdfIn PDF document text
- http://cmuniontravel.com/userfiles/files/xopoman.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/79229951849.pdfIn PDF document text
- http://ganteltechnology.com/system/userfiles/file/7857533235.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/delidiwixo.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/50247493688.pdfIn PDF document text
- https://mediaskills.rs/files/14545171127.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/71325824506.pdfIn PDF document text
- http://beijingteye.com/upload/files/fepotodefelaxusape.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_off0000e7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FC | 18088 bytes |
SHA-256: 95c6d70c0805d6312674f82883529bed9563913ddadd338925dc66fa56b6c79e |
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font_01_sfnt_off0001170c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1170C | 10660 bytes |
SHA-256: 5353f66465bdb45ac4993571ebb6f2a7114a514e24259be56924f0d24bf865b6 |
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font_02_sfnt_off00012f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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