MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains embedded JavaScript and heuristics indicate it is a link farm designed to lure users into downloading files, with one heuristic specifically identifying a browser extension/update installation lure. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to deliver a secondary payload via the numerous unknown URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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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://fasson.vip/images/editor/files/23090976251.pdf In PDF document text
- https://chambres-hotes-aube-bleue.fr/userfiles/file/27743355161.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/tiwerirovidenovaken.pdfIn PDF document text
- http://andreuma.madteam.net/ckfinder/userfiles/files/59609546316.pdfIn PDF document text
- http://jjsgreatescape.com/uploaded_files/userfiles/files/nizexisagofa.pdfIn PDF document text
- http://oldmotorsclub.com/files/file/zipovolaxozajunidugabeset.pdfIn PDF document text
- http://www.urbanwaterways.info/files/paneje.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/foxelogokagagavonavo.pdfIn PDF document text
- http://planbmedia.hu/files/80061750308.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xarugawevefi.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/53668700524.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/13416613542.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/889fec8f8aed2cc0133205e6b4222962/fuzaxutegegenon.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/xajorura.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/luwepubirekefatulawabexi.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/lobevoxiloviriso.pdfIn PDF document text
- http://irvinenott.co.uk/ckfinder/userfiles/files/wexapedizesi.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/49431410867.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/65854813621.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/mikobememigowugoja.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135f3b871164---tugilozukavi.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/nigomisowolag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=anx+camera+apkPDF 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_off0000dd6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF580 | 18792 bytes |
SHA-256: 9cc0d9e8f62a8326158397442b30a8b09686c7e298547553036b101baa8d467c |
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font_02_sfnt_off000126b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B9 | 10188 bytes |
SHA-256: f7f793cfe701f8498cbde8dca3c4d7f7d80d1f677e82bd9f2a8e50205c8d1a69 |
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