MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm with multiple URLs pointing to PDF files hosted on compromised websites, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
Heuristics 6
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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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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://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/a8d4bca8bd0d82dedb3f07ebc5f275a8/73203718216.pdf
- https://zlato-eu.cz/upload/files/63451855044.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/eafc017581e1da41b7679ed3287f4e14/24291713976.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f677d4da08f---fafuxamezaxagexuj.pdf
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/64374722244.pdf
- https://waelfawzy.com/userfiles/file/
- http://dlzj.net/upload/files/20210529060943629374.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16074a44388f97---baselinud.pdf
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081b94b76151---97480182098.pdf
- https://aydin-elektrik.com/resimler/files/werebulugonetopafigolot.pdf
- https://telechips.com/ckfinder/userfiles/files/kaxakufurinisasobabi.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2836a781e---11770717606.pdf
- http://promador.pl/userfiles/file/71940364376.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16070a37cf22e9---movisivi.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/6618fc1c08f9c18121dc8eba2060b068/26369249804.pdf
- http://brette-animation.com/userfiles/file/67708582236.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160de0e54df9cf---tabexiresoxosebobugatotij.pdf
- https://sanvexe.vn/webroot/img/files/vopijapapapopixekedadi.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c516f603edf---43265008443.pdf
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/witimomek.pdf
- http://banquat.com/userfiles/files/lesorazivomofimek.pdf
- http://hnkingdee.cn/Files/file/202172452438.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/aioh5akef7qid9nqp44dmgi6vu/44968106963.pdf
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82784067341.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=subaru+impreza+22b+sti+forza+horizon+4
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4b8.bina31e141fb2917ac6221449cb8c95e700680d048453672ad8ad57cd6853c5c53b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B8 | 16108 bytes |
font_01_sfnt_off000109e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E3 | 16792 bytes |
font_02_sfnt_off000121f5.bin6c0b4d6294517aba77bec7ab526c75902525460dd778e28f50421975c64395cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F5 | 19132 bytes |
font_03_sfnt_off000152f9.bin7edbe207e7358f5daa544158694f11204dc2792be80649f99f77936fb0b84c65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152F9 | 11152 bytes |
font_04_sfnt_off00016cb5.binb8f72bb11ac5c6e20a9c4cac447d584e4b8d69e834c23428047806dc2808d834 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CB5 | 2248 bytes |
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