MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains heuristics indicating it is a link farm hosted on compromised WordPress sites, likely intended to lure users to malicious content. The presence of a fake invoice lure further supports a phishing or scamming intent. The ClamAV detection and ML classifier strongly indicate maliciousness, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=how+to+get+a+detailed+verizon+bills PDF link annotation
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/fe741c2794fd654e3de35a4a9ba7e539/rorizax.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/bebavu.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/404c80153d62bd873d35b5313951c370/42278083551.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/sumowitedabulezu.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/d2c4b52164f16653ead1d5cc3bd338b5/27971976771.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a735dbcf273---15298780818.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/99d49361563d76be06f1ac3d6ebc20aa/mawiwime.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/52115126433.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7415b6f1a---guwusitorusexi.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/4f09c29563142bfa532931bd7aac61b2/nukiworunerifozetunebunas.pdfIn PDF document text
- https://diaochue.vn/userfiles/file/newunak.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/kajewifobuzurubaxiv.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/6ae60ng01nn6m6srha93uhl370/vanemusapirup.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/xolalofefudijufapurof.pdfIn PDF document text
- http://jjinline.org/file_upload/file/goxabagiremolelalu.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/cddfb0e1803584de866eb3b9ef75ee7d/56541874737.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1B | 5296 bytes |
SHA-256: 7611906018357bb1978509b3b70e42148f14c1dbd6911deaf9240f8544e9b977 |
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font_01_sfnt_off0000de4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4C | 10720 bytes |
SHA-256: 733810761e9a2597fe45a1bd375ac611bc6ab563b42c0a25dadcf6f405bf6142 |
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