MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress sites. The ML classifier also flagged the PDF as malicious. The primary attack pattern observed is the use of a link farm, likely to distribute malicious payloads or for SEO poisoning, rather than direct user interaction within the document itself.
Machine Learning
- Nyx PDF Classifier malicious score 0.5426
Heuristics 4
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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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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 http://www.contectrade.hu/fckfiles/file/nepidapi.pdf In PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160a348d00fb4c---32757819187.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e8b763224bb---65737600060.pdfIn PDF document text
- http://cdhsalumni.com/clients/28864/File/47073636160.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/7f0f03c3ee560c4e224268dd85dffd9f/75827897979.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/10107804284.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b00cf256df---lonenos.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/t8r2seoq5ao7jft2d4qnmvb0e6/zekagumowaxevobetegadizu.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/mawetikofo.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/detarelibadisivaxedalorip.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/bijale.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df6945af48---nezefaxepexolusomurixo.pdfIn PDF document text
- https://champion-osk.pl/userfiles/file/73136564225.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/355fqoqi5fa5u3tu7jvtplansm/zumenugikedisolaxivariges.pdfIn PDF document text
- http://dolphinkorea.com/files/files/pinakunowadelezapiz.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/tibokaxe.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/75914777304.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee7c112c50---kodovuwaditejofezozoxe.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/fecaed6534575429bf510c96f0ad9e2e/57846086200.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/97105524a0d6e7b10ecb705443d8b524/79615812639.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/dcupd9att23q3ncd52h3dfrjri/51390241113.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/47960479194.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/be9ee310765791ecc7d39808f14746ce/wugimexolesi.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606eadd22f409---83496370704.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1dbf2b48e9---fodofezinifurebazefixi.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5033092c56---87255226576.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210721_214118.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=scicraft+skyblock+world+downloadPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000113a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A7 | 18436 bytes |
SHA-256: 4861e8f0305480d3f4c932c0f1914a0f208c535be2b166f9bbbc69706d90b8ca |
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font_01_sfnt_off000143ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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