MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded JavaScript stream and numerous external URIs, many of which point to disposable PDF files on different hosts, suggesting a link farm designed to obscure the true destination. The presence of JavaScript indicates an attempt to execute code, likely to download or redirect the user to a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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 http://savalis.ru/userfiles/file/jaruxajukadugo.pdf In PDF document text
- http://np-laser.com/upload_fck/file/2021-9-10/20210910090715569342.pdfIn PDF document text
- http://maiodi.com/userfiles/files/39854907356.pdfIn PDF document text
- http://border-collie.ru/sites/default/files/file/wagan.pdfIn PDF document text
- https://norservis.com/files/files/fanajaxep.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/nigujoguzuwetukutewo.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/40311062862.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135dd4e93e16---5852717088.pdfIn PDF document text
- http://weingut-suppan.at/files/4103620799.pdfIn PDF document text
- https://advantage.ee/media/contents/file/repuxokefofuvo.pdfIn PDF document text
- http://ziconiavip.com/uploadfck/file/movitumidazuvenozegizap.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/jupufewavibuzasatebe.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/98905839047.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/xaduxifafog.pdfIn PDF document text
- https://www.wappa.com.au/siteadmin/ckfinder/userfiles/files/tukozewegupitis.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/lokobebuse.pdfIn PDF document text
- http://parvazyab.net/basefile/api203/files/84325821722.pdfIn PDF document text
- http://epmachine.ru/d/files/19849488258.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bac748e360---63621236394.pdfIn PDF document text
- http://exima.kr/userData/board/file/93235996276.pdfIn PDF document text
- http://sevinctekstil.com/resimler/files/46887548301.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/70451847170.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/gegib.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/51725739313.pdfIn PDF document text
- http://preprod-proximeo.com/ckfinder/userfiles/files/99801943427.pdfIn PDF document text
- https://hklh.vip/data/attachment/file/temifiwuba.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=download+gratisoe+tv+pcPDF 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_off0000c924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC924 | 18320 bytes |
SHA-256: f2709a862be78887e75b3dfd92da02e8c8bce9232729b159e9bd1124e7bb493a |
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font_01_sfnt_off0000f813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF813 | 10844 bytes |
SHA-256: 799bb08c25e83d0e733915c67769f77863c37e4e7074b229f00609a645830ffb |
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font_02_sfnt_off00011116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11116 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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