MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. These URLs likely serve as a link farm to redirect users to malicious content or further stages of an attack. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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://drafthe.ru/uplcv?utm_term=it%27s+a+pleasure+to+get+in+touch+with+you
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/humphimr2b5cbjj2i30ksl0f65/71740113309.pdf
- http://ladue69.com/clients/876446/File/mevowunepidevaganuzofum.pdf
- http://nexxosrealty.com/userfiles/files/28034810521.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/3a068ab973c8e0a4cdcf5e40e5fc9110/75317095036.pdf
- http://bright-mineral.com/uploadfile/file/2021061921101615.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f62d91942---dobol.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/c2j2nbiojqmraukvnjerjhei14/gebolujovip.pdf
- https://alianzatours.com/imagenes/file/55391076406.pdf
- http://ansonseatery.com/uploads/files/40986304917.pdf
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/70579866289.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/3ff5927938cafc88197266e30e67ae33/pikejobutusujakejeni.pdf
- http://greenbrier101.com/userimages/bilija.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/p6641mppcg37mbiqfsg9jtqkoq/78028171600.pdf
- https://rugsinc.in/UserFiles/files/66895715178.pdf
- http://1utilaje.ro/mm/file/28335069921.pdf
- https://hanurichurch.org/ckfinder/userfiles/files/barivimejitonus.pdf
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/53973086037.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/ff962218c24d6c75f156acceadbf843d/lipivezokexixivo.pdf
- http://esoftland.com/userfiles/file/jeveborafolero.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e7cf90aa9---fupaxigapemejivakusifanaj.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/trq7bl4jnqhp0htd4vovcq2hc5/nemexetuxudadamakanavupi.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/777be6cb356c04d109bc6066921b42d8/xanalejidatipeki.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160807bf36cb49---16115213419.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/jafomufesuzubirimabe.pdf
- http://tunglamgarden.com/images/fck/file/goxara.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_off0000ee0b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0B | 16792 bytes |
font_01_sfnt_off00010622.bin02c2d9547fcd9d8b6997bf1b492b37f2f74a8a09b4f49b151de21dc6043a0edb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10622 | 10940 bytes |
font_02_sfnt_off00011f89.bincaae882d3fe1475146c782e7e70f33f27d02063a54f418f5be028ee90ea7c8ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F89 | 17572 bytes |
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