MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, containing numerous URLs pointing to compromised websites and disposable domains. These links are likely intended to lure users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://linyuepharm.com/upload/files/kukelojawewixizutod.pdf In PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/bd488c5ed9c2a7550f7ed43adff2b47e/81168110181.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6c7c38c6b---jolejivavo.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/60593777190.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/8e8cfcd8d6231a0edca6cf52a6606612/45294514691.pdfIn PDF document text
- https://lecourbe.dk/userfiles/file/79481633564.pdfIn PDF document text
- http://prepearl.com/uploadsfile/purilu.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/98021358575.pdfIn PDF document text
- https://ratoempat.com/contents/files/volemuminakegu.pdfIn PDF document text
- https://fruitssupplier.com/app/webroot/img/files/72389872763.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/xaguzarom.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133350a55148---weposof.pdfIn PDF document text
- http://elpijisystem.com/file/rifamawunanefif.pdfIn PDF document text
- http://101-games.ru/images/uploads/files/bujumefipidufatuzazoju.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/daborelagekiwokadurilen.pdfIn PDF document text
- http://geraldinekilkelly.ie/34220925367.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/demutenipusebapenegenam.pdfIn PDF document text
- https://wmu24.ru/media/file/kujelutadimusikitagezip.pdfIn PDF document text
- http://suyogmaratha.com/editorimages/file/79145637005.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1631421804_1.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/laras.pdfIn PDF document text
- https://safetyhanoi.com/userfiles/file/22137320778.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/97448795333.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=android+tablet+running+very+slowPDF 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_off0000b18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18D | 15440 bytes |
SHA-256: ed76c095427efe97e646ef49a564df16f4fbaed0840d776da5b6e355b4a6774c |
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font_01_sfnt_off0000d891.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD891 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A8 | 10908 bytes |
SHA-256: 9d1dcef213709e02f8c5bedc15443a854e5b7bd1f912298141c4b97b2b6ff71a |
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