MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also includes numerous external URIs, many of which are hosted on potentially disposable domains, suggesting a link farm or phishing attempt. The ML classifier strongly indicates malicious intent, and the presence of JavaScript points to an attempt to download and execute further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 5
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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://tyko.pl/userfiles/file/zabodafazusame.pdf In PDF document text
- https://isigakizima.net/img/tmp/file/60032365421.pdfIn PDF document text
- http://www.enfersalus.com/ckfinder/userfiles/files/faxosotek.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/fakibisopagofowuxujom.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/88976474375.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/sijuwosobulugokopurer.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/ribaduwepasuvujado.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/08ace139f336d33e0688566e008db14a/gupomevuzelenejawidarapa.pdfIn PDF document text
- https://x-leather.com/radsportfiles/file/selukaxifiner.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/fidoxovikijusan.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/pupixel.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/wumewuxono.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/17539080371.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/xavozenezitifuxupoxopepof.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210903161710_2z0tjr.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/donirikabupivowuwoniku.pdfIn PDF document text
- http://pnlestari.com/visitbali/image/files/pivusevupulip.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/katenir.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021091407561773499.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/64608156408.pdfIn PDF document text
- http://0985028898.kad.tw/kads/ckfinder/userfiles/files/86951378168.pdfIn PDF document text
- https://kirmatas.com/userfiles/file/simipafiderexadal.pdfIn PDF document text
- http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/fusajukuda.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///pepewipazakefuveg.pdfIn PDF document text
- https://hawkseyetravels.com/assets/ckfinder/userfiles/files/woxobatemefaridu.pdfIn PDF document text
- https://datenglagi.com/contents/files/75629628978.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=i+am+app+androidPDF link annotation
- 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_off0000e592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE592 | 10060 bytes |
SHA-256: f689112c4a1445386bb47d4064501f2636300af706f52eedc27c806fa1a4219c |
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font_01_sfnt_off0000fbbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBB | 17932 bytes |
SHA-256: 5a9693b455617654f67a5d7fa350c4b5780470ba2d4eabc7f71c5f79341a2c4f |
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font_02_sfnt_off00012a97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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