MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to redirect users. The ML classifier and ClamAV detection further confirm the malicious nature of the file, classifying it as a phishing or trojan variant.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crewmak.ru/uplcv?utm_term=free+ringtone+cutter PDF link annotation
- http://lamgi.pl/ckfinder/userfiles/files/sabuxux.pdfIn PDF document text
- https://treasurehunterdetectors.solar-ovens.net/ckfinder/userfiles/files/60254763136.pdfIn PDF document text
- http://tuzoltosagmihald.hu/userfiles/file/xalimemepazimuto.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/63127247013.pdfIn PDF document text
- https://thisissati.com/userfiles/files/68086681851.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/tuduze.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/90395347257.pdfIn PDF document text
- https://kalashad.com/userfiles/file/97128240023.pdfIn PDF document text
- http://manisafar.com/basefile/marcosafarir/files/rovokurerib.pdfIn PDF document text
- http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kawivaravamukijeferelav.pdfIn PDF document text
- http://immobilier-valence-agen.com/userfiles/file/39363519977.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c6fb24b638---96397751085.pdfIn PDF document text
- https://anitt.in/ckfinder/userfiles/files/23313214521.pdfIn PDF document text
- http://vicc.huh.hu/UserFiles/File/91927409701.pdfIn PDF document text
- https://campermagazine.tv/public/file/55274007931.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/83788886861.pdfIn PDF document text
- https://presstone.hu/userfiles/file/jexekokivi.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/sixajagake.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/rosudazawusujivakudobax.pdfIn PDF document text
- http://sowa-architekci.pl/userfiles/files/46304880889.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/luzutilisedufivowor.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/83596367563.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/xopotunotudovajogo.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/f80c617425c29e4fa2e5486857e8d4bd/97533143321.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/21091207051218984584rtof.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_off0000e4e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fcf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF9 | 16772 bytes |
SHA-256: a011ee767d99bd3cdd417230f2a26d1833a60f4e21f19afc41279694b65dd809 |
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font_02_sfnt_off00012880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12880 | 10108 bytes |
SHA-256: 99ecd8a21ec5f2f979571c38a4cfdd97b1b54bef5695115c9de0d2372ce74577 |
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