MALICIOUS
134
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. The heuristic firings and numerous extracted URLs, particularly the one pointing to 'inwebjor.ru', strongly suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection further corroborate the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=my+strange+girlfriend+mod+apk PDF link annotation
- http://brno-skoleni.cz/ckfinder/userfiles/files/65151342809.pdfIn PDF document text
- http://ziconiavip.com/uploadfck/file/duzorone.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/kazap.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/24348284164.pdfIn PDF document text
- https://tahitotfaluovodak.hu/ckfinder/userfiles/files/56071586463.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/wuwexazuse.pdfIn PDF document text
- http://garageanything.com/js/upload/files/winovatazodifotubuzataki.pdfIn PDF document text
- http://zgic.ru/!upload/files/21437282336.pdfIn PDF document text
- http://bushurov.ru/images/files/gusatajudapelukidim.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/41145641264.pdfIn PDF document text
- http://vibestedu.com/_UploadFile/Images/file/64323261016.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb3d55ee9d---54238815520.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/48068399676.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161377d18ac322---jomaradirarexif.pdfIn PDF document text
- https://italvaping.com/file/73893026956.pdfIn PDF document text
- https://greenboo.vn/uploads/files/melowiritapukikafep.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/xuwuzosisezini.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/5079186578.pdfIn PDF document text
- http://atoutslegion.com/userfiles/file/sutevimawakopadesavaxofek.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/88083677248.pdfIn PDF document text
- https://quangcaomattroi.com/uploads/news_file/zalexif.pdfIn PDF document text
- http://bhavalaya.org/ckfinder/userfiles/files/99579960084.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/45426278466.pdfIn PDF document text
- https://mediaget.com/userfiles/files/37050423146.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_off0000dde5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F7 | 21600 bytes |
SHA-256: 4a4aa4f601a6747a1182e85968ae1a929b74a4b6d5548e801977a557a6d9497a |
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font_02_sfnt_off00012e6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E6A | 11040 bytes |
SHA-256: 75ea664b358a57ac7b44e835c07dd9dddea6f1edc471cded02690f7f24cbcffc |
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