MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple domains, some of which are hosted on compromised CMS uploads or appear to be disposable. The presence of a 'download button' lure and ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://apexhealthnutrition.com/newerac2c/userfiles/file/88207199854.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/m4fo0hmbce8n1f44a9bb07a571/98422164361.pdf
- http://renovator.cz/files/file/xazimumigude.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/db99da7c9a1f41833ca0682583a30a50/fexenulubofapoxawutema.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c25e01bd439---nugara.pdf
- https://cs168.tw/upfiles/editor/files/xudakozimuzo.pdf
- http://sun-eko.eu/files/file/texofukisefoxuvumiwe.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/nonetefuzevap.pdf
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/c95049d34aafd697e7f61c594c5fe086/35993134906.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/mcu7un08dd3nrc1ouc6mm7hirc/64232299805.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/guponofejuwason.pdf
- http://fructusartis.com/i/File/gudubibepedibejekevaxu.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609b67308cebb---valuvujeveroloz.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/zezuzavigamezasizigikota.pdf
- https://almuhja.ps/ckfinder/userfiles/files/tonipovesudazelasavot.pdf
- https://gulfsupremesa.com/ckfinder/userfiles/files/rogokebanasu.pdf
- http://erictex.com/ufiles/files/gatixemiwuwukemivotutaxu.pdf
- https://fonixkoncert.hu/upload/file/mupef.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/dfefc364960c74c16a9f2fd2880b2c84/xuwukerif.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737e1b94b05---wufebepubolovitaxaja.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c21c54b8278---gafofuboromod.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609254c22538f---35338599036.pdf
- http://sisparts.pl/zdjecia/fck/file/5984885129.pdf
- http://driver-jazda.pl/upload/file/66508992366.pdf
- http://dzbnf.com/upload/file///95166937328.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=small+black+and+white+spider
- 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_off0000d688.bin8ff95ea5cfc3cf57f0643ea1e0b7be5d9e49dc02b18227653593b45d6108b420 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD688 | 11052 bytes |
font_01_sfnt_off0000efdf.bin526354a975fee7d7368a16ea2de3ef98b757c64649dc413a4e2b5bddde7173fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDF | 17012 bytes |
font_02_sfnt_off00011c4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C4C | 16792 bytes |
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