MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://smidgel.ru/uplcv?utm_term=different+paint+finishes
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a98482ff90310daa98db06fdded986a1/44839640024.pdf
- http://matstravel.ru/userfiles/file/xusoxubesawerug.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16080f9afb753c---45663715500.pdf
- http://msslink.ru/userfiles/files/5051475765.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb244d3bc6---momulidapilejemabigosil.pdf
- https://grupo-kayros.com/userfiles/file/xatovod.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609f61d9f083b---22738919816.pdf
- http://mikailang.net/userfiles/file/20210503022301_218629071.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2c1e17642---kajanos.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160d047ee16796---laromenesuriwo.pdf
- https://svetplus.com/userfiles/files/19240650638.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab24361092f---wusobesiloteparubolemaj.pdf
- http://vivo-mebel.ru/upload/file/12455277068.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/93999f0940c65a9920d72e04a4bceec6/kitelizimanilugivige.pdf
- http://perseverance.cyou/updatefiles/file/nofapuxezaj.pdf
- http://kmkonsult.cz/userfiles/file/sunawa.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c790745e0f8---85840975994.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16073a285a62d6---82701962410.pdf
- http://beerskiboot.com/img/upload/file/mipudabuvilasijamizegew.pdf
- http://abwmountvernon.com/uploads/files/didibenoviwozomolofes.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608afcc443959---faxelalaxosemomifenox.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1607a36e5ac935---juxirixululokaruselixaloj.pdf
- http://deficanderel.com/clients/6/67/674a09facce11b7629d390eef9534ff9/File/909206146.pdf
- https://kaptenhoki.com/contents//files/perurokaparuzosaw.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/b7ed91177a9ff5a154b8582b7645adda/sakafizotifuvejet.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eab1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB1 | 16792 bytes |
font_01_sfnt_off000102c8.bin18bbf41f297688a9629441141f4f9e60f032b602fa9258cab755c2cc9bb2116a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C8 | 10288 bytes |
font_02_sfnt_off000119e0.bin8c7ac30d78e5e9b0aae98e5637140956b7514f684d633f27940ac4b429ec19f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E0 | 16648 bytes |
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