MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The PDF structure and embedded URLs indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 5
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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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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://cructi.ru/uplcv?utm_term=que+es+la+investigacion+de+campo+pdf PDF link annotation
- http://solarwindependence.com/ckfinder/userfiles/files/wejuxajusinaxizolonipi.pdfIn PDF document text
- http://slovbau.sk/test/userfiles/file/72860522477.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/nurenalevavifadu.pdfIn PDF document text
- http://cnmrobotics.com/files/files/netowolub.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/46930333993.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/749481c0c347b7e0ef71812c085306b3/21577418718.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/74579264339.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/xatofesesokagamuvikizu.pdfIn PDF document text
- http://khamtribacninh.com/images/files/kepojibuwakizi.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/beputojokabigo.pdfIn PDF document text
- https://thisissati.com/userfiles/files/97228231919.pdfIn PDF document text
- https://tlproduct.com/userfiles/file/mugiwovufadazexofitife.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/werinagabovisutiza.pdfIn PDF document text
- https://cartolmania.it/file/zusozufajinupugepaj.pdfIn PDF document text
- http://geoass.eu/userfiles/files/49443719956.pdfIn PDF document text
- https://jmclimatizacionhvac.cl/images/subidas/file/pitux.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/ramibowizukumuwadolevife.pdfIn PDF document text
- http://signauction.net/userfiles/file/63470583420.pdfIn PDF document text
- http://bygreenpure.com/userfiles/file/76562244295.pdfIn PDF document text
- http://dorp.pl/userfiles/files/3392792698.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134d60d79483---lojiw.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/jetikatiboluzu.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/47064553148.pdfIn PDF document text
- https://mots.alaxarxa.cat/cmsimple/images/file/42405268209.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/27142350602.pdfIn PDF document text
- http://www.eurosecurimed.com/ckfinder/userfiles/files/83835346673.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/8938505460.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_off0000c773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC773 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8A | 11088 bytes |
SHA-256: fe7f000d081a16b900eb746456430560d3816f60ce576520f861e0a8ada356b5 |
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font_02_sfnt_off0000f94c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94C | 18188 bytes |
SHA-256: 17e253a7c85152f4221799a5049423840fbc4b715c38f5de260f88ce7492b73a |
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