MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, characteristic of a link farm designed to redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to create a large number of links on low-reputation hosting, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=words+that+start+with+k+adjectives PDF link annotation
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f08c6e13cb---pegarebitepupozafe.pdfIn PDF document text
- http://sunpix.ru/img/lib/file/1767466468.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/tefemigobasikolijakefane.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/2887345219.pdfIn PDF document text
- http://artstudiodesign.it/userfiles/files/rurotevekuxenawilibubu.pdfIn PDF document text
- http://longruiglass.com/ckfinder/userfiles/files/20210907_081442.pdfIn PDF document text
- https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/sesulabidati.pdfIn PDF document text
- http://myrbacken.se/login/ckfinder/userfiles/files/rowetoj.pdfIn PDF document text
- http://gearcon-eng.com/file_media/file_image/file/fajizumiguzuketunoreji.pdfIn PDF document text
- http://idealhca.com/admin/images/file/33171529258.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/45995272993.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/gowavoxadefelij.pdfIn PDF document text
- https://granitabrasive.com/editor_up/kuxuxogewafarorovigutaduj.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/7e12b1644b224a5a8bd79131ec12b570/kobajaxoletezinexigajun.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/56923914683.pdfIn PDF document text
- http://www.tahi.hu/ckfinder/userfiles/files/biber.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/tuluzodakudejinawusi.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/42408435545.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/9341569596.pdfIn PDF document text
- https://www.edm-medical.net/ckfinder/userfiles/files/22309999661.pdfIn PDF document text
- http://stainless-faucet.com/uploads/htmlupload/files/52916976126.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vubigapenijemurusipuvad.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/kazubow.pdfIn PDF document text
- https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/3826344034.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_off0000d62c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62C | 17268 bytes |
SHA-256: 2b0ac2f39bc4dbeccf0aefe34d0d1958f1b28cc5d9d707c5403fbf1b4aaa78c0 |
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font_01_sfnt_off0001020e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020E | 10684 bytes |
SHA-256: e7f2b5b7d80ee31205a7764e95a3b8c9b9dec01178e019591e62db01a83e7a2b |
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font_02_sfnt_off00011abb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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