MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The primary malicious URL identified is dafemum.ru, which is used in conjunction with a search query for vehicle value, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://dafemum.ru/strik?utm_term=how+much+is+a+2015+chevrolet+equinox+worth In PDF document text
- https://cdn.sqhk.co/jujirepak/gfNjiig/mebunojevogepenoxivun.pdfIn PDF document text
- https://kusavavatixe.weebly.com/uploads/1/3/4/8/134878613/9336457.pdfIn PDF document text
- https://xisuludibu.weebly.com/uploads/1/3/5/3/135300694/965474.pdfIn PDF document text
- https://cdn.sqhk.co/kuzetuzame/PiaFicb/wallpaper_iphone_ios_14_hd.pdfIn PDF document text
- https://xajasirofoxuki.weebly.com/uploads/1/3/5/3/135330212/libovi.pdfIn PDF document text
- https://cdn.sqhk.co/dexasubu/3gdsii2/starz_movies_schedule.pdfIn PDF document text
- https://xinewufovina.weebly.com/uploads/1/3/4/2/134235071/fozajame.pdfIn PDF document text
- https://gimelasu.weebly.com/uploads/1/3/4/5/134513778/zesut_vixojijidikudu_vusamesemorip.pdfIn PDF document text
- https://refaxoke.weebly.com/uploads/1/3/4/6/134602084/sukonimamiwebofatoz.pdfIn PDF document text
- https://kukegogefip.weebly.com/uploads/1/3/2/6/132681459/sibuf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_ada52f61412b4225b93dd939bc966dc0.pdf?index=trueIn PDF document text
- https://63c5840e-267c-49ed-94d3-fc9f9d8b9c0b.filesusr.com/ugd/8c5bc8_2dd6b5065d9c46838ed2840db795935f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/164298e7-66f3-4f78-a4d4-f7c0024d8e3c/bebakimunaj.pdfIn PDF document text
- https://ec679cc6-872a-45a8-b2fd-b1bc8f6ddb77.filesusr.com/ugd/d1d005_3abd938e19534e70a628427a78501e80.pdf?index=trueIn PDF document text
- https://79d86aa2-23c4-4aa0-a0dc-c16ac59ae55d.filesusr.com/ugd/ecb701_1bf540a3192d4c96b7de98f6d10764d0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5cc1a84e-a04a-4dca-9fc5-3b1dbc85e6f4/dupojoruwuve.pdfIn PDF document text
- https://e5447efa-8854-4d04-834e-f0bbd7438c8b.filesusr.com/ugd/ac612b_57166a54419f42969bbca1dc6575dfff.pdf?index=trueIn PDF document text
- https://39472683-7d43-4bc3-882b-0947a83fd973.filesusr.com/ugd/544c7e_50457082a306410aa3d2cd3af9f235ad.pdf?index=trueIn PDF document text
- https://b86313a8-447b-404d-ae6d-bc69740d899e.filesusr.com/ugd/e54fc7_aeb827254d314bd8bc820fe9f74872d6.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e98c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98C | 5796 bytes |
SHA-256: 67dca23313b5d5d11a6753ff59161e27de6e16a3eb21800ef94c85a7a6e45b7d |
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font_01_sfnt_off0000fd43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD43 | 10916 bytes |
SHA-256: 456feca451a5d21d68882ffc3d728f226d97fa299a65522cbed09afa19c88d45 |
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