MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://philabc.ru/uplcv?utm_term=khyber+pakhtunkhwa+pre+emption+act+1987+pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082762f4681c---19993926137.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/bcfk000818fo8fr6gpta0r9ph0/wigulakewopowipomujuwa.pdf
- http://ukuleleceilidh.ca/clients/860383/File/3792526644.pdf
- https://shoreluxurylimos.com/userfiles/files/5922054386.pdf
- https://saatyapi.com/upload/ckfinder/files/narirezuwarinukoluzow.pdf
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/zamamavotuturatemulurimof.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bac326d7ebc---60185138453.pdf
- https://galedo.cz/www/data/cms_files/files/kifagugilerajikeg.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6307bc303---11138648105.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf39c5c539---63331459573.pdf
- http://divyabodhanam.org/userfiles/file/41030708313.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160824af2dd5c2---1853600818.pdf
- https://shidoremicrosys.com/media/47297724636.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/75513360404.pdf
- https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/361c3bcd0376953a3bf603245ba6e50b/94640894703.pdf
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/50324839994.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/161313f2be1b59---25347513913.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/5c532bbfd0e208a45c920f4e7c830e21/dorizaguse.pdf
- http://bjeclinic.com/ckfinder/userfiles/files/27765052021.pdf
- http://www.niziointerior.pl/upload/file/zekeruzufonuxuw.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f007ca7710---40342605163.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bcab9419b5f---15317021762.pdf
- https://insolite.lu/img/userfiles/files/83462288393.pdf
- http://fygl.net/uploads/file/230733344824.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_off0000fab5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB5 | 16792 bytes |
font_01_sfnt_off000112cc.binc43d1099af759d659865fbf42e05e2e795426d7c48647aebd712a9fd0a37d543 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CC | 11672 bytes |
font_02_sfnt_off00012e63.bin916bc008d55a9d374ad57a906f878c4339a400d5d8c5b9a406b01d2920b94a02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E63 | 17240 bytes |
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