MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URIs and link farms on disposable hosting further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ketchas.ru/uplcv?utm_term=what+should+we+do+to+protect+endangered+animals
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c91649420---raparimiwi.pdf
- http://detaycopymatbaa.com/userfiles/file/6104786692.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/6081bc5aa5e463accb531ff873f0e5b4/98359487525.pdf
- http://bajajsports.com/userfiles/file/dofixukimotatilo.pdf
- https://hiampelectric.com/wp-content/plugins/super-forms/uploads/php/files/6b896bd5552763c6bb1ebb0222ec658d/ludizono.pdf
- http://4reality.cz/userfiles/files/mekevapadavetakovojir.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/87aeda65ef67da4d5ecbd0bffc66661f/vowur.pdf
- https://masini-de-ambalat.ro/images/userfiles/banena.pdf
- http://anandamsanyal.com/userfiles/file/jaxajuzulifubelekug.pdf
- https://glycocalyx.nl/userfiles/image/file/sovurelibu.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f939973a9---75096611703.pdf
- http://toshiteriyakiburien.com/uploads/files/buzaw.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ad77962ee4f---66982777510.pdf
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/vomejajawonezixurin.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfae924c0d8---14022513286.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cd81a5a3b38---83548571200.pdf
- http://logistra.fr/ressource/site-image/files/banajividajubi.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/k2m6e7a854nhnas22537sp67f4/60409122351.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/vokurov.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/cfec4f44a980d74c8d73bb27292e5ec3/19444259672.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/416453759ff73247625c968ecae628d8/dasixabuzowivoranobo.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ketua9kk541ocganasdp2tqv86/66132792726.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ebc8444b7---25491885872.pdf
- https://ovalpolycoats.com/media/nuwozinifebeviz.pdf
- http://scandirent-new.ru/uploads/assets/file/mobawubegukovuwuxas.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_off0000f49b.bin9c6ad27c4db8fa70f5a143174d979c7602fa2fc019675574d358911de096aeec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49B | 11140 bytes |
font_01_sfnt_off00010e4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4E | 16792 bytes |
font_02_sfnt_off00012660.bin2f6b1380836887bd028167450debf125283396065e356c6164aeebd11d1884ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12660 | 17184 bytes |
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