MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for delivering malicious content or redirecting users to malicious websites. The heuristic firings and numerous extracted URLs, many hosted on disposable domains, strongly suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=sub+rosa+full+movie PDF link annotation
- http://esrafisek.com/images_upload/files/49792833145.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/rutikobuvizalofevofojunij.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/9adbaf1c557b4a58b6af4e920fc3becd/39714463985.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/vutivujalozofoxogoxada.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d74f24a03---93086644245.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/9954098938.pdfIn PDF document text
- http://hidramaco.com/files/files/fadakekam.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/gesununapav.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/44934524751.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/89488720179.pdfIn PDF document text
- http://1666-3668.com/attach/userfiles/file/wesutajiwulero.pdfIn PDF document text
- http://nineslash.com/user_file/file/73343312124.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/ruwemagowisulewamaro.pdfIn PDF document text
- https://lux-ride.com/home/u4-6pzgszajsb5u/www/lux-ride.com/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/70113109667.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/31349073418.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/vuzikipakuvuvutizujexome.pdfIn PDF document text
- https://bayihoki99.com/contents/files/kudoku.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/29651232034.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/99679285660.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/72390345439.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/95330365199.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1631132442.pdfIn PDF document text
- https://ottopianos.nl/files/diredoxenujotuga.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/11279704309.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_off0000b0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC911 | 17660 bytes |
SHA-256: ec4efe1096adc141a4105ced973b250f0b7f95ed294074ef49bfea74bc6119f8 |
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font_02_sfnt_off0000f6b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B4 | 10552 bytes |
SHA-256: d7c53bd1ed7da0d0202038b107ee3963e6a776fe136389ae5bdc5a120818b848 |
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