MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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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://mklaassen.nl/images/file/kokowujolimolosaxefago.pdf In PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/tugabetotozezule.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/14668555863.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/97532086708.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/22280507949.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/zobejativejazusaru.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/jijijojopugenodedulorez.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/lamufipovopujow.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/tuginuvojixejigimopijojuj.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/8310584403.pdfIn PDF document text
- http://ymjgolf.com/file_media/file_image/file/61269982315.pdfIn PDF document text
- http://veterinariomauracotti.it/userfiles/files/30845103957.pdfIn PDF document text
- http://gyarmatilovastorna.hu/userfiles/file/34381589697.pdfIn PDF document text
- http://xyr59.com/filespath/files/20210902143701.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/2914eafd9a703daccb0d876e018811ec/42558050850.pdfIn PDF document text
- http://dichvutot99.com/webroot/img/files/webutoramomivupi.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/762a699cae4f280837714b73959df567/77467365863.pdfIn PDF document text
- http://baoveantam.info/upload/files/5355280799.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/kinax.pdfIn PDF document text
- https://allora-tour.by/var/upload/file/sawiniwiwomimutek.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/sesiremape.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/74245256616.pdfIn PDF document text
- http://jezirka-biobazeny.cz/UserFiles/File/jevuz.pdfIn PDF document text
- http://le-nora.com/userfiles/file/dekudozaxudotupun.pdfIn PDF document text
- http://gmicropilotes.com/uploads/files/91161703993.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=a+new+york+christmas+wedding+watch+online+freePDF 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_off0000d5ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5ED | 11196 bytes |
SHA-256: ba826b754b2b2fc14865605ab2348320b4f63ae9b05cafa5ce4619f89c9873b2 |
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font_01_sfnt_off0000efd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EB | 17848 bytes |
SHA-256: e7ffbe421d2f7b73a629db3214ea3467c68b137dec7ca4586a9940daedd06997 |
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