MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by an ML classifier and contains numerous links to compromised websites. These sites host other PDFs, suggesting a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/7f03720b42d101ebd716748e3bd498b3/45739897151.pdf
- http://gancza.pl/userfiles/file/16500059827.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/51a460aa12b06bea35afd8e35fc6d1ab/veluduvokikasadodidorufal.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/0nn1emhi9d10o6rovfpsj99md7/xizivevukomefizijorak.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4eef12fd49---68164922941.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/c4lvj15j41k1oo301h2dvh7g6l/10053800832.pdf
- http://theettiares.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/begapiwinikiwepebazavos.pdf
- http://fullcolorspandoeken.nl/userfiles/file/retujo.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/1c89ca7e11dc20abe4e8c34e350e90c4/menumemak.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd6b0c8783---dovufinunel.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16076380abde8f---pevizigesapusevuzeza.pdf
- http://jarosi.hu/files/file/2031330320.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869b0f1c38c---ribesumokum.pdf
- http://bmsorganica.com/userfiles/file/pexiwipatakavuxizudikad.pdf
- https://avgdesign.com/userfiles/file/32889664632.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/1f481e31804ca6fa9af3142fb0226abc/juzun.pdf
- http://cc-loges.com/uploads/file/rekusiw.pdf
- https://shop-ecobati.com/medias/upload/files/mazuxasizuxamatufavu.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083c0d643210---12867787520.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/90mm3dqekgfme91qkqbf5r7g0f/nasotumolabijeloto.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9a8b8f73f---77223404200.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/3f4afs0mbi3fto37aqaao2032h/fexuk.pdf
- https://atl-50.com/files/file/seveziwuvomepilaz.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/cce191132c527778ec4fbf4f13bffb16/52283210216.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=do+pregnant+dogs+eat+grass
- 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_off0000f196.bince64708e0dd0e0bd0ba96ba8ddf6b0f230beb29c9b0e7e00bf28940267882d51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF196 | 10428 bytes |
font_01_sfnt_off00010923.bin0d14ad35500398752476487d201c8ef5d2d3a5a9e8ae9a51378b209f3c840f00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10923 | 17148 bytes |
font_02_sfnt_off000135c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C5 | 16792 bytes |
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