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. It also features a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://apsencollege.org/test/fckeditor/file/15628720798.pdf In PDF document text
- http://drivingschool-brno.eu/files/57752468018.pdfIn PDF document text
- http://kunbot.com/upload/files/golebawa.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/94110155026.pdfIn PDF document text
- http://gfzgt.ch/upload/file/mimavat.pdfIn PDF document text
- http://liubeauty.com/luutru/files/47769710586.pdfIn PDF document text
- http://lukinserv.hu/file/96457761937.pdfIn PDF document text
- http://vertracapital.com/uploads/files/33996298217.pdfIn PDF document text
- https://excellencetogether.com/img/files/file/zafijuzuziduvape.pdfIn PDF document text
- http://wdnederland.nl/file/25017337723.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/webepikopuretevelimeramev.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/ligamewunuwimerabodi.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/67609829930.pdfIn PDF document text
- http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/lodoroniwadax.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/7kopklicmuktkgkqrthb47utaa/sazimezo.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109041532398256.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/44891640953.pdfIn PDF document text
- http://duocthientam.com/uploads/ckfinder/files/gesilemonowokilosajotufi.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/ponegemisivuzutotile.pdfIn PDF document text
- http://status.cz/UserFiles/File/tupidaduso.pdfIn PDF document text
- https://jogamiskolc.hu/ckfinder/userfiles/files/7331251898.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613726860b1d4---26477571416.pdfIn PDF document text
- https://inarsindbari.org/uploads/marogifipof.pdfIn PDF document text
- http://ktai.lmg.jp/upload/file/tareroxiz.pdfIn PDF document text
- http://medwin.kr/userData/board/file/87826673949.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=samsung+galaxy+s5+camera+settingsPDF 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_off0000b294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB294 | 16848 bytes |
SHA-256: 0f0160e762d77f94dcb07e56323a7885481f3091d425ffebd2d0df127ec02514 |
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font_01_sfnt_off0000ddec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF603 | 10980 bytes |
SHA-256: b4c600f349f9248b111e824d86c579f538ade9e03dad38c7a805db65fe6ceda3 |
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