MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple URLs pointing to compromised WordPress sites, suggesting it's part of a phishing or malware distribution scheme. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to prompt the user to install something, a common social engineering technique. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/dvtjqb7v5m5sdlsc5bmgb25bm2/99651537407.pdf
- http://tpdw.pl/userfiles/file/movaselaxagidafizizukuvuw.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/e0e32d90eacedc88eee609ca7aef72ff/bopetinekeg.pdf
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/b142452ab1748806b4c0c0cf00d0803e/levutam.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19cae7eb9a---fewerepalenozepafake.pdf
- https://daxitrip.com/basefile/daxitripcom/files/virezarezito.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ofco7khiu326156ju281uugcu4/nupaxufinife.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b47fdcb06---64353716927.pdf
- http://canxetaidientu.com/images/file/zowemi.pdf
- http://uniquestatues.com/clients/9/91/91c6e204ee4529d3b478b0717040545d/File/7103179094.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c389b3f167---21763840745.pdf
- https://madopin.com/calisma2/files/uploads/diloxopolokevewaw.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/7k035bsrc340c7nct98qfqgln4/49759432178.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bdeb283cfbb---gelejuf.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609880222dc79---7783653014.pdf
- http://nessium.fr/userfiles/file/podimibugutimubaruse.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1jp6tb3qp0fqkj586rm854hub7/53453996147.pdf
- http://galettedesrois.hu/userfiles/file/40612224428.pdf
- http://exosportsante.fr/ckfinder/userfiles/files/95909801763.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/30819158de4ba468efa31e9cdee4e6d5/3338169151.pdf
- http://clinicaveterinariamontecchia.com/userfiles/files/61491156249.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c456334f181---bekevos.pdf
- http://musclecar-taps.com/js/upload/files/30465782586.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=those+meaning+in+tagalog
- 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_off0000e958.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE958 | 16792 bytes |
font_01_sfnt_off0001016a.binacd69a4465f15eb63546f16d566c4a3f30f3f0c4373d5d67fca7b1fedca57905 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1016A | 17068 bytes |
font_02_sfnt_off00012dc1.bin2aa901d14cc2e8bc99803dbfd236615e3f301ff56d384f39ddc79c2192f468b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC1 | 10420 bytes |
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