MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are part of a link farm hosted on potentially compromised or disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of UTM parameters like 'utm_term=tap+tap+app+to+download+pubg' suggest a deceptive purpose, likely to lure users to malicious websites for phishing or malware downloads. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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 https://irlanc.ru/uplcv?utm_term=tap+tap+app+to+download+pubg PDF link annotation
- http://ain.proximeo.com/ckfinder/userfiles/files/22874346307.pdfIn PDF document text
- https://ancoraeducacion.com/images/94891595252.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///xonazilafenibab.pdfIn PDF document text
- https://optimuselearningschool.com/learning/site/images/uploadfiles/pemapimeragavim.pdfIn PDF document text
- http://cluboutletmoto.net/campannas/file/65613990734.pdfIn PDF document text
- https://activsport.ro/userfiles/file/xavigibubotokaxavad.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/26293447271.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/72749989831.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/xofal.pdfIn PDF document text
- http://xn--z92bzy85x.com/userData/board/file/24460513892.pdfIn PDF document text
- http://modernplating.com/userfiles/file/30093628895.pdfIn PDF document text
- http://timecraftz.com/userfiles/file/57565858941.pdfIn PDF document text
- http://fourfoods.com/images/files/venexopiv.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/tarulojiti.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/7ec60c87537bb45f3bcb5290d7cad36a/38475063420.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16135c95241faa---81262567999.pdfIn PDF document text
- http://misr-consult.com/userfiles/file/13980658055.pdfIn PDF document text
- http://nenorm.com/files/files/davokuvasadeta.pdfIn PDF document text
- https://fetogram.com/images/upload/files/nutepipoxerolowuvasal.pdfIn PDF document text
- https://brakos.it/file/peritatekikuvexefuxisogib.pdfIn PDF document text
- http://ombs.ru/uploads/files/bananekulejivijamuku.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/c5f3e0f8ce1e6e69f96394114c73e7ba/84625160166.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/kesuwodanogogoxaraz.pdfIn PDF document text
- http://tercovci.cz/files/file/nisipupefakitoju.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_off0000d16b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e97d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97D | 18084 bytes |
SHA-256: ab1aa1d91663b51d2d1edee34b00db7d9bd669c5b88a007293887efd3505f37d |
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font_02_sfnt_off000117bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BB | 10364 bytes |
SHA-256: 525d148c2bf76865fbb6c0e279073537e1e0c93b8179116b8ce5db8a8850c907 |
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