MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior, suggesting the PDF is designed to redirect users to various external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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 https://inwebjor.ru/uplcv?utm_term=the+visitor+kitty+cat+carnage+game+download PDF link annotation
- https://epiphanych.com/images/file/75498059700.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/93247281526.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/aa83122718ad36ec6188bba3ffa5e2ed/tupidapena.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/neridafofafowazipidusisus.pdfIn PDF document text
- http://ros.by/ckfinder/userfiles/files/5857860914.pdfIn PDF document text
- http://metamorfozyayincilik.com/userfiles/file/gafarijetolaviwerobe.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/renifupajisemewiro.pdfIn PDF document text
- http://www.koeru.eu/failid/file/72553425240.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613387ca0b698---99314785190.pdfIn PDF document text
- https://cupanghitam.com/contents/files/61659873998.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210909_D8CAB23E97C0B2AD.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/8567172604.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210908222210529.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/zemerigelejagigenajuvol.pdfIn PDF document text
- http://bjyhyy.cn/filespath/files/20210908200405.pdfIn PDF document text
- http://salonorganica.ru/upload/files/wazuzugilixadisuvejiz.pdfIn PDF document text
- http://police8coop.com/UserFiles/file/21878103626.pdfIn PDF document text
- https://network-italia.com/file/menupoleregozusajaxesepa.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/7lq17qpm920afhnu0dl1ftr4t7/6531903524.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16138d18adc5d3---xugesubilu.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/82661403234.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/mekalerifuzitoju.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/74453740581.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/36938531083.pdfIn PDF document text
- http://zezoalza.com/ckupload/files/16948820628.pdfIn PDF document text
- https://b2cdemo.tickets.com/content/files/16256658889.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_off0000c3c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3C5 | 11136 bytes |
SHA-256: 420816292feaa82142861955ae4283f7d6fa5434be77861dd173b70d7b3cfb8b |
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font_01_sfnt_off0000dd86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD86 | 19968 bytes |
SHA-256: f030690041ba559ff3ed52e5e213462a5e06ab003da2bab243667ba955191b00 |
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font_02_sfnt_off0001119b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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