MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous external URIs pointing to disposable hosting. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a deliberate attempt to create a large number of links on low-reputation domains, likely to distribute malicious content or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://smidgel.ru/uplcv?utm_term=five+letter+words+that+start+with+i PDF link annotation
- http://orderbestwings.com/uploads/files/85900390281.pdfIn PDF document text
- http://canyonmeadows.org/userimages/rowilej.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/segalojupenopepulosed.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f29a37ff0a---44650719891.pdfIn PDF document text
- http://umrllc.com/userfiles/files/96894454000.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613036285b8ed---veboparewekebewuno.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/5401335315.pdfIn PDF document text
- http://lamekatus.com/uploads/ckeditor/files/33214950872.pdfIn PDF document text
- http://prodottoitalia.eu/userfiles/files/felixulijojubojof.pdfIn PDF document text
- http://sakesushilakehavasu.com/uploads/files/bidalafivuf.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/77567955905.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/fajeru.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/10933776716.pdfIn PDF document text
- http://aviafond.ru/userfiles/file/80651094941.pdfIn PDF document text
- http://esoftland.com/userfiles/file/sinajojunoxitil.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/vavokugip.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/mumimebaf.pdfIn PDF document text
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/suravita.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/35837691594.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/27383251593.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/38984857635.pdfIn PDF document text
- http://thecountryclub32055.com/userimages/5879469772.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/pafoxalawuzigibaseduf.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/tilus.pdfIn PDF document text
- http://tipiland.net/upload/file/bivibolobamulotexemuzimu.pdfIn PDF document text
- https://bluza-shop.ru/content/File/pusokez.pdfIn PDF document text
- 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_off0000db79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f38b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38B | 17748 bytes |
SHA-256: cdb5c0e13bfb90663e20460957843e1200c833f01ca0e2a85170e0afd89b5801 |
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font_02_sfnt_off00012193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12193 | 10368 bytes |
SHA-256: 4e91e009614d848bd128b351e389d809d99f1c9cd9f171cf888ce328b3865674 |
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