MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the nature of the document as a collection of links on potentially untrustworthy domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://queure.ru/uplcv?utm_term=day+and+night+live+wallpaper+for+pc PDF link annotation
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354653a8107---63335850952.pdfIn PDF document text
- https://10playsolutions.com/clients/softklk/documents/_articles_/file/62907533502.pdfIn PDF document text
- http://sxhk365.com/uploads/file///pulitavaroxuna.pdfIn PDF document text
- http://nuuts.mn/uploads/assets/6564485527.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/79455161640.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/87446897905.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/10114641602.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/35962520638.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/vfahotm2qplbu6sour9d55blke/bujanokajel.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/59084821276.pdfIn PDF document text
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/susupada.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/sekakejezakugebexap.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0599a3d62---93193362436.pdfIn PDF document text
- http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/wixamawotobizotavabaz.pdfIn PDF document text
- https://hankilfood.com/upfile/files/22730545208.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/2009373289.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109100733189910.pdfIn PDF document text
- http://dellalontra.it/userfiles/files/9362705124.pdfIn PDF document text
- http://koreabulk.net/userData/board/file/jizamarudelu.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614046295ced9---wugonexalumoloxivego.pdfIn PDF document text
- http://i-harmonics.com/upload/files/43160579418.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/gaxokutilin.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/b7af95d4360e6f5e7e180f56655bcd72/10931929250.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/24573561544.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_off0000d447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD447 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5E | 11000 bytes |
SHA-256: a29082b0720dae67ecae4e892d3258a17c227ea660e17b51ebd17d4155dfb2d3 |
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font_02_sfnt_off000105b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B2 | 17744 bytes |
SHA-256: 7e43e20b98b36343f9d105cfb088f1131581116ffabd9f0530cf6139b16d3cab |
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