MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The file is a PDF that contains multiple links to external resources, some of which are hosted on compromised CMS uploads. The presence of a 'Remote-support tool lure' heuristic, combined with a 'Visual download / call-to-action button lure', strongly suggests a phishing attempt to trick the user into downloading a malicious payload. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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 https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/2e2g2264m7gkn249u0vkrjo600/19932561665.pdf In PDF document text
- http://seattlebestteriyaki.com/uploads/files/57004922954.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/jovedosevefufe.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/96332622737.pdfIn PDF document text
- http://shhs69reunions.com/clients/e/e9/e92da0bc0099326815942f81a5c18dfc/File/wunesiwagovorodabefomo.pdfIn PDF document text
- http://ge-mak.com/files/52288003359.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/71332886665.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/482af140bef290d9472d1311a4009787/rifise.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071952864804---fadidaxobezadalugojufoje.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/41029263640.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/tezojowunaginiluse.pdfIn PDF document text
- http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/39889856830.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/14606952454.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/c80ce43be0235feadb0719a50cea9ae2/zibokotusosozab.pdfIn PDF document text
- http://kidneytracker.com/ckfinder/userfiles/files/jorivoxopamijufekoli.pdfIn PDF document text
- https://roc.mn/uploads/files/41131834684.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/37026079872.pdfIn PDF document text
- http://merwepizza.com/upload/file/30160577945.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/rd8vblbktfd8qlg28votk182ic/16410308386.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160928de29ac0b---nunizuva.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1298df11b---97129709113.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160da31676e253---80940346393.pdfIn PDF document text
- http://ficfart.org/userfiles/file/25160207418.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/9c9vb35u7bed0sah60gtig470e/poselidurosadi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=fractal+design+define+c+manualPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D6 | 17376 bytes |
SHA-256: 6755e840cb71e12de38ef4169d521823f8d3b52159b1b593f19ab4083824b021 |
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font_01_sfnt_off0000fe97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AE | 10776 bytes |
SHA-256: 26246a72eaf1db2b29fdca9098777b39d9b032727c09b0c6eacdca068a4aa5ed |
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