MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to external resources. Several of these URLs are hosted on compromised WordPress sites, indicating a potential distribution or hosting mechanism for malicious content. The presence of multiple external links suggests an attempt to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://bedandbreakfastchia.it/userfiles/file/19664587943.pdf
- http://denprokhorov.ru/images/file/xeboteresopelan.pdf
- https://amitadevnani.com/userfiles/file/kofinosutukotipamipatofej.pdf
- http://elitvorota.ru/f/file/xobaliviguvu.pdf
- https://foundryindia.org/userfiles/file/kudolutered.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ogopl4o7ls8jobr4hnm12d4kiv/naraxuxemirusevukez.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16121b144ae8e3---ginogewojoviwojoke.pdf
- http://vswet.ru/f/tuzip.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5973d6c7b---tevifafuvemokijobukewo.pdf
- https://bishopsalamatkhokhar.org/userfiles/file/28921679845.pdf
- https://ph2020.org/FCKeditor/file/sulutuliberigex.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/91626dd5fea20dc8ae80bd74b3845648/gugabapa.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/i4inacer6nh06vb60k58g5ckft/34453712486.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/39f2bb365fca3dfdae38d05988fbc642/sisolifovulemabuku.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d85d74af31---kixab.pdf
- https://noriupapildu.lt/ckfinder/userfiles/files/46106981792.pdf
- http://yachtandgulet.com/userfiles/file/87042826744.pdf
- http://dgjst.com/upfile/file/96665534813.pdf
- http://psn-monolit.ru/img_file/files/97906896510.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/122fcaa19189beb7a1fecdcdd3e54450/51051165202.pdf
- https://cyklo-wellness-penzion-palice.cz/content/kesuzisagazezomitupuziba.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a053042200c---jafin.pdf
- http://xdata.pl/app/webroot/img/ckf/files/tukinimotawe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=3rd+grade+fables+worksheets
- 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_off0000e57d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE57D | 16792 bytes |
font_01_sfnt_off0000fd8f.bin8dcefb70de09a4dfd8c3c1266c63c0707b1a2f452fbfba8e6949fc9798569656 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8F | 18092 bytes |
font_02_sfnt_off00012c88.bin2624628bb7abc0469c3cea540d0c221000eac8a3ee2294899f80684bdf3bb215 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C88 | 10828 bytes |
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