MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised websites, identified as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the PDF as a collection of links on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://coretry.ru/uplcv?utm_term=can+can%27t+exercises+pdf PDF link annotation
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/82a132844a89110e2ca3f059952bac98/44676932616.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/jatazopumunesizuvo.pdfIn PDF document text
- https://bilalyapidekorasyon.com/userfiles/file/vofotapobigenizoj.pdfIn PDF document text
- https://fenixfalt.com/userfiles/file/18975661537.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/tejurubelazudozebavasa.pdfIn PDF document text
- http://photou.cc//ckfinder/userfiles/files/lunigafot.pdfIn PDF document text
- http://stepasidemedical.com/images/uploads/file/52306238078.pdfIn PDF document text
- http://valaptop.com/ImagesVA/file/33805693792.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/ririkolil.pdfIn PDF document text
- https://wisestudentz.com/userfiles/file/jefusa.pdfIn PDF document text
- https://asset-books.com/userfiles/file/19446308573.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/oajnq4stmlnf6gtabgonnf54ii/purikexovomugoworurud.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/k6ako7s48fr5956aseti8v52vv/kumubugux.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/1bddfe9f38dcdec8121a5d90a0cd3912/89028787139.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc2b7a8fa---tosepuke.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/pisbhkgsfgr4sjnpjtrtuldq01/vijuvavoje.pdfIn PDF document text
- http://cozycornerexpress.com/uploads/files/6026895785.pdfIn PDF document text
- https://bruceautoservice.com/files/file/kemowevekusuku.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/nevakigesulosowilaz.pdfIn PDF document text
- https://termofriz.rs/files/86020619990.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/86732048595.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_off0000ba10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA10 | 10616 bytes |
SHA-256: cbf348cf1b5c90406ed22e191d3028179c093b3ea484d0ec57708220a4a19b98 |
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font_01_sfnt_off0000d286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD286 | 16228 bytes |
SHA-256: ae5d14c7a556f0b4d5207f152356a49abfa1ee6c080c95a132532799a77d4157 |
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font_02_sfnt_off0000fc1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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