MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a link farm pointing to compromised websites, suggesting an attempt to trick users into downloading malicious files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a strategy of using numerous disposable hosts to distribute malicious content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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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://coretry.ru/uplcv?utm_term=download+dream+league+soccer+21 PDF link annotation
- http://bangtutrang.com/upload/files/47207895229.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/fokovabebobitakitiz.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137469e24b78---xerupepiramezow.pdfIn PDF document text
- http://tsyrulnikov.ru/upload/file/81807049309.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/bodivusopaxuwo.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021090203014280554.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/ae6b417e7f49dd2cd6dd82fafb85ab7d/27573294881.pdfIn PDF document text
- http://mwbright.com/upload_fck/file/2021-9-7/20210907235914816074.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/mepozase.pdfIn PDF document text
- http://jngf.cn/files/file/74123462409.pdfIn PDF document text
- https://oferta.lt/i/File/5855671368.pdfIn PDF document text
- http://ipcmanpower.com/admin/style/images/userfiles/file/sisedisotaruvukonubasi.pdfIn PDF document text
- http://girlstown.org/files/js/ckfinder/userfiles/files/gowubuvibiwalejaripokala.pdfIn PDF document text
- https://webmedcentralplus.com/userfiles/file/xawusejosigedepunozonuso.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c530efe3737508c26a19fc24f0ab48fb/52406422200.pdfIn PDF document text
- http://vikohasanfiber.com/upload/files/vijozubed.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vubigapenijemurusipuvad.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/loviparopi.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/nugabuguviwikarivul.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/30875656679.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/33314200873.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138de56cee33---damunu.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_off0000c40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC40A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC21 | 10884 bytes |
SHA-256: 6d939f74135f3d14b30458667f8b4017e1be513cd2df228a62a1ab00566747fd |
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font_02_sfnt_off0000f544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF544 | 15840 bytes |
SHA-256: 9938d3075b9af82468e3da25fff3bc704e6414cd9035513e368efed11f3dbe6a |
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