MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many of which point to potentially malicious domains. The ML classifier strongly indicated maliciousness, and the presence of a QR code lure suggests an attempt to direct users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific intent beyond link redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 http://marcth.pl/media/fck/file/nimofudurugifora.pdf In PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/74060784020.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/24841751575.pdfIn PDF document text
- http://galerie45.com/userfiles/file/wokojezinopagajaki.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/feveluzitagimevitaw.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/49537215009.pdfIn PDF document text
- http://tekizolasyon.com/ckfinder/userfiles/files/68064426175.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/46182248752.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/7394236397.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/87674366571.pdfIn PDF document text
- http://vagyonvedelemszolnok.hu/admin/fck_upload/file/73880533692.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/40480095869.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210905_FF13DF893D1BDCDC.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/86078953600.pdfIn PDF document text
- https://marblobath.com/app/webroot/img/files/89564980610.pdfIn PDF document text
- https://foodexgida.com/uploads/files/dijoz.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/1ac1ae973016d0c531fb342351464760/27012289186.pdfIn PDF document text
- https://aydin-elektrik.com/resimler/files/paxosukumekipetosa.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/voratofojifuzeluk.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/97958193744.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/silonisibazarafuxuniji.pdfIn PDF document text
- http://mardeestilos.es/fotos/file/46517881849.pdfIn PDF document text
- https://alsultantrading.ae/userfiles/files/robododusugubet.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/bevaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=android+developer+qr+codePDF 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_off0000c74b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC74B | 10272 bytes |
SHA-256: 3b030c9399ce73b3a167353a16a1ea6b77e7d2344feff31ed5a100af49ccc75a |
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font_01_sfnt_off0000de30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE30 | 17936 bytes |
SHA-256: 3d5e65dfc856b5459667012a58b353014df246bf37031d5fc284f1cff777cd3d |
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font_02_sfnt_off00010cde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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