MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm with numerous external URIs, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of many distinct, potentially disposable domains used for hosting PDF files points towards a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://vico-immobilien.com/ckfinder/userfiles/files/96847332866.pdf In PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/belefefedawag.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/gutusopebebumojekufagebi.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/97240172850.pdfIn PDF document text
- http://mebel-moscow.com/content/xuploadimages/file/kadesodo.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/zonubotabilarejanuz.pdfIn PDF document text
- https://stvorki.ru/files/file/kojovadutasilulixebiduxow.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210906155833.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090503135973499.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/mezudoninugazolojufedenu.pdfIn PDF document text
- https://kakakmanis.com/contents/files/90290610593.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/vintkldss4cs18k6v8aqkcceb7/xamasunitop.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/8133472604.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/94542621025.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210911_7D167584135B2F34.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/gapudujobofud.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/foguseramujifaral.pdfIn PDF document text
- http://tehnicgaz.eu/files/file/9573187170.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bc35c8bde---gajivikasoderip.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/lejelalikapiliji.pdfIn PDF document text
- https://togelunited4d.com/contents/files/83171298380.pdfIn PDF document text
- http://sinojjacob.com/userfiles/file/19716815719.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/54194682316.pdfIn PDF document text
- http://goldsunjsc.com/upload/files/dewizis.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=worm+zone+pc+downloadPDF 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_off0000e717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE717 | 10456 bytes |
SHA-256: 9a67f869739d9bd5b6e01d388ea12185d48e258cdab54c6344e840606bab47c1 |
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font_01_sfnt_off0000fed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED7 | 18128 bytes |
SHA-256: 1f94907a48010411fa52756255fc47aba8cd60b15707d0bf6ab549ffe88e0ede |
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font_02_sfnt_off00012d1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D1F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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