MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the phishing lure. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing campaign aiming to deliver secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/35789528372.pdf In PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379d7f7f6c8---jejegetitadobowiramimerad.pdfIn PDF document text
- http://campbellelectronics.com/uploads/34313194383.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/xujef.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210916_BE9F13B92684A361.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/79872165562.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/81438936628.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/69469546808.pdfIn PDF document text
- http://muntepa.com/userfiles/files/92596394572.pdfIn PDF document text
- https://giorgiosantinelli.it/file/35408814134.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021091105195895.pdfIn PDF document text
- https://happy-playground.gr/uploads/_uploads/files/77934517524.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/tabujovisav.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/8157583632.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138891842652---namifodupesigosetudaxo.pdfIn PDF document text
- http://labradory.pl/file/xesexik.pdfIn PDF document text
- https://dreptultau.hotnews.md/upload/userfiles/files/buwibar.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/botase.pdfIn PDF document text
- http://geomanteia.com/userfiles/files/tuvodebawaporuxonavut.pdfIn PDF document text
- https://stephan-kratt.de/data/reiterhof/userfiles/file/mizilotaterubolejimeg.pdfIn PDF document text
- http://ticaproduce.com/ckfinder/userfiles/files/61392620167.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/9038014764.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/3466376331.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/kudizosajoligazejatupul.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=android+tv+free+browserPDF 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_off0000e07e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07E | 10412 bytes |
SHA-256: 365bb179d6e60475a504d4a4e6bf968d402ec402bfb5a13da82283127712db67 |
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font_01_sfnt_off0000f842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF842 | 17012 bytes |
SHA-256: 97c0b1447d9c6bb1ea2b7b78393b5a8246bccfad89c05186be2ebf755912752a |
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font_02_sfnt_off00012440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12440 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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