MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites and disposable hosting, suggesting an attempt to distribute malicious content. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection and ML classification indicate a high likelihood of malicious intent, likely to deliver a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://penzionradvanice.cz/res/file/naxikazipin.pdf
- https://fnb-concepts.com/images/uploads/files/77785323999.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/mhpu41pt468e1piheptbtfd1u5/bovisezixovumulunatodune.pdf
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/93506842660.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/9v9qgafjf12j7jvsmmh47pq8jb/runerusowo.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/9d05d6037de347ddc774cf7e731533f1/wagumuxinifobuwu.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/e181a63a7f699845def31af8516766ac/jezurizadupemakej.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b503b3b36---94009659396.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/284ee93c6607da5b5e378895bb893160/zumivosowuviw.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091ba2e25e88---wodagokozupuwokomex.pdf
- http://pc580.cn/upload_fck/file/2021-7-31/20210731073912470731.pdf
- https://abbma.in/admin/uploads/file/sutugoz.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5bf1007ad---24380319747.pdf
- https://an-professional.ru/img/files/file/vepagavodugebu.pdf
- https://kenhquangcao.vn/uploads/files/75038522341.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/6f3421e95038fc22018c3a41b2707f12/26700140666.pdf
- http://aucoindeshalles.fr/menu/file/84455123641.pdf
- https://nffcd.org/userfiles/files/52574376760.pdf
- http://g-shocktou.com/user_file/file/gaxiwososa.pdf
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/jumidoxemujosa.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcff8aa5b4---fidegevuvujikarage.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160834b9b2a56b---zasizane.pdf
- http://bestapp4u.com/admin/uploadedfiles/file/gexexile.pdf
- http://stringquartet.biz/web/images/fck/file/jobexafafevepi.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/ct78sosvujovt40nrkbh01cf4i/79770360652.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=download+train+to+busan+2+movie
- 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_off0000ec46.bind593144baf3ad5b87e66ab5d29c3ae0defb9974266e9b2544cb2f0bdb7cb3147 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC46 | 17292 bytes |
font_01_sfnt_off0001195a.bin261b775cd27bb34ddd7923fb5b89bdfe585067394600abfb8c1ed4ef0177487d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195A | 10920 bytes |
font_02_sfnt_off000132bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132BC | 16792 bytes |
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