MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded JavaScript stream and a link farm pointing to compromised WordPress upload storage, suggesting it is designed to trick users into downloading further malicious content. The presence of embedded JavaScript indicates potential for client-side exploitation or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae4b7a4e4---jupelibojabez.pdf
- http://kondicionery-shodnya.ru/upload_picture/file/jobojizinupu.pdf
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/85860428237.pdf
- http://kenshopvn.com/uploads/files/5379219148.pdf
- https://primer-spb.ru/files/files/jibamizebudiwugok.pdf
- http://bbmpva.nl/fckassets/file/wikapusuduradenitaju.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/2g9qk40mu2cfqac4689jbo7mb3/retepijibudumebipefob.pdf
- http://mtkshop.com/images/uploads/file/21917703431.pdf
- http://cassotech.nl/site/data/ws/files/dipazegisarofipujedos.pdf
- https://contemporaryteas.in/admin/uploads/file/getadumozamewujegu.pdf
- http://emiem.pl/public/upload/ckfinder/userfiles/files/dimekaf.pdf
- https://congnghiepxd204.vn/upload/files/29496109014.pdf
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/49792053551.pdf
- https://cpsguffanti.com/uploads/file/dezejug.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350fce8e767---5311359396.pdf
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/demefivogufoladofovef.pdf
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/kurotumifu.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f45e6ba1ef---xurufazekezelinirarado.pdf
- http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/57174334362.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/1070dee084e88ac8bd248e725a943dea/kugafijaxeduke.pdf
- https://hotelharmika.com/assets/userfiles/files/kerutelopiga.pdf
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/luduvovubuvutamunafisaza.pdf
- https://plagij.at/ckfinder/userfiles/files/fapitupimibowejobelufu.pdf
- http://jun-travel.com/userfiles/file/74989843265.pdf
- https://indirimlipin.com/calisma2/files/uploads/88317251655.pdf
- https://getadoc.in/ckfinder/userfiles/files/14782327955.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=avakin+life+hack+version
- 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_off0000de8f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE8F | 16792 bytes |
font_01_sfnt_off0000f6a1.binb12c3b960bfe85484cb58b2bf3d3c716d840753c098298bdc7d94e3ccc398f13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A1 | 17372 bytes |
font_02_sfnt_off000123b8.bine01b838e7a9b2d01fdccdb68ce187cb3d563d3d67c650acf9be0e9b57a20b88a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B8 | 10476 bytes |
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