MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host a large number of links on disposable domains, suggesting a phishing or SEO manipulation scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://cailux.lu/userfiles/files/504133478.pdf In PDF document text
- http://canadianrockies.info/files/file/20480387471.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/fubupizufogakimawodofiled.pdfIn PDF document text
- http://pinxedien.net/upload/files/fuvetetozusuna.pdfIn PDF document text
- https://melz-feu.ru/upload/witev.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/64028556656.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/53419257002.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/sozonosududokumesede.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/25e19d09295a770cee266dd87b447c30/wutagawukurukavo.pdfIn PDF document text
- http://retailpark.bg/uploads/wysiwyg/files/22592228347.pdfIn PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/wakasamikizifupe.pdfIn PDF document text
- http://anipetkingdom.com/webroot/img/files/77265727531.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/vulozutokulisomebagapilak.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/44602693667.pdfIn PDF document text
- https://premium-house.uz/images/file/ranuf.pdfIn PDF document text
- http://tsutae-f.com/js/upload/files/64914508500.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/wunufapuvonanosov.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios/files/vemuz.pdfIn PDF document text
- https://digireg.sk/upload/61665397518.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/18800970605.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef7a0038da---96882599184.pdfIn PDF document text
- https://ecoledesgourmets.com/userfiles/file/vawatinefoxamikarivob.pdfIn PDF document text
- http://msmzizkov.cz/data/dokumenty/83474870889.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/wapeguvavemoxepifazarudiz.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/lowufasonijadagevida.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/pikebo.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/vivutunijasugupex.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+th9+attack+strategy+for+lootPDF 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_off0000c6cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6CF | 10844 bytes |
SHA-256: e57e29914d2a73d5ade06f022d4aa790260345cdb9c628dc07cc02e014f6e5d1 |
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font_01_sfnt_off0000e02d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE02D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f83f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83F | 16716 bytes |
SHA-256: 3c688d3eb252b28d733c5a3dd9a7fdae7559b51befd00088757c9c28660a1728 |
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