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, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a phishing or malware distribution lure. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://medvor.ru/uplcv?utm_term=b1+tv+live+android PDF link annotation
- http://swaptoys.org/ckeditor/uploads/files/11457919639.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/wunudomuguvebapuxifab.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/9200063333.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/71891194927.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144a2004d293---tevulijilejabotogiwite.pdfIn PDF document text
- https://tutorlookup.com/ckeditor/ckfinder/userfiles/files/25635076795.pdfIn PDF document text
- https://sikahaiphong.com/images/news/files/xesapazuritira.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/nodufutexapa.pdfIn PDF document text
- http://kayapalinakliyat.com/file/32937501580.pdfIn PDF document text
- https://gionggiacam.com/ckfinder/userfiles/files/sepepekujatageno.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/31730935547.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613af9bbd20fc---pomup.pdfIn PDF document text
- https://braveathlete.net/geektic/files/gisuxa.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/53383877377.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/41781400319.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/80b8964d45741323acd2fcc15c66f7da/dekowega.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/62564079169.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/77766701893.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/33649471148.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/3864994022.pdfIn PDF document text
- https://medtek.vn/storage/file/givuzuwirisewo.pdfIn PDF document text
- http://associatedreclaimed.com/userfiles/files/85817531619.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_off0000e557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE557 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6E | 10244 bytes |
SHA-256: cfc4c18f80048ae7332ac3714b081e5c951da114c16841880c769d462503993b |
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font_02_sfnt_off00011493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11493 | 18176 bytes |
SHA-256: 16b4f13198949066672c16fea6092960e421ff50b7889050a2cfcb42a6501daa |
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