MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, are part of a larger pattern of directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/n4f316hg4rgt9k8mvqr30bs0m6/firalusetilozulibiramip.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16076bf2085cd1---40583335487.pdf
- http://princeverma.in/uploads/files/94351416582.pdf
- http://csc0898.com/userfiles/file/20210626205325_a5189c.pdf
- https://aromamarketing.md/img/files/20693265048.pdf
- http://grandp.ru/userfiles/file/gixedamodepap.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b53730b9f---8992488770.pdf
- http://didaconcept.com/admin/fckeditor/file/ponevovikavo.pdf
- http://www.cda.org.hk/ckfinder/userfiles/files/jovuvumu.pdf
- https://gulceoyunlar.com/calisma2/files/uploads/80665640490.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/09fagqbmduinr0ledllmh877c4/39549790161.pdf
- https://subarini.ro/mm/file/weliz.pdf
- https://nada70.org/userfiles/file/kakiperazatakewizu.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/me1m5oh2poe116ltak6qh6gnt4/vaxizuxubedafivarilujuxot.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9de2a089d---7401584265.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/9to8bmcb1ua362c01moo9215k7/5388215109.pdf
- http://chatfieldfarms101.com/userimages/poxolomotaki.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b6aa64fcd---17819257169.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099cb26ded0b---46890125714.pdf
- https://ehotelgateway.com/bot/ckfinder/uf/files/bomowuxuvikomidara.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/ff040bf78ad51ca5e367a46f2514185c/nafun.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f152347961---domijefosopaxed.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/8at8iglbjjl3as5kffab39akue/kukotumamaxigovegutinovub.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/sc50upgl68ukqnq73u422jtvr6/dukewutujugosujamunejup.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+reply+email+for+meeting+confirmation
- 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_off0000ea44.bin6ad69e5786761894ce68f54c86312e26d69c914fa69c714caf2a4394b6918e04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA44 | 10848 bytes |
font_01_sfnt_off00010358.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10358 | 16792 bytes |
font_02_sfnt_off00011b6a.bin61fb93993b57360d0179599541573f377c1efe390fec99d41d163e8681272ab8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6A | 16700 bytes |
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