MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, with specific heuristics indicating a social engineering attack designed to trick users into running commands. The document body is heavily obfuscated, but the presence of numerous unknown URLs suggests a link farm or distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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 https://jpt.mysmartedu.com/uploadimages/files/6461203983.pdf In PDF document text
- http://tubietelbar.hu/uploadfile/xipopikepitewuzireg.pdfIn PDF document text
- http://teakdeck.pl/files/file/rusutafotolamegorozagisez.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/fowememubupujosubu.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/kukosaxoduwoba.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/5112518309.pdfIn PDF document text
- https://gkatsov.com/userfiles/file/dedufirinatape.pdfIn PDF document text
- http://xycrusher.com/d/files/27405464571.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/kojivunovuxef.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/noguvapirotupunipanekonaz.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/10436442230.pdfIn PDF document text
- http://chip-chup.hu/upload/file/92910161296.pdfIn PDF document text
- http://z-sinpro.com/upload/files/puvilizop.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/peroperovugawe.pdfIn PDF document text
- http://ageddfjtj.pretty-match.com/upload/files/51318521886.pdfIn PDF document text
- http://full814.com/upload/files/98246360164.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/25114504461.pdfIn PDF document text
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/33800530666.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/fojinivuxadikekaruza.pdfIn PDF document text
- http://eminenceinc.com/userfiles/file/vuxoda.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/2947232733.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408b6b13e71---mojobofulogetikitepiz.pdfIn PDF document text
- http://rts-3.ru/upload/files/93348930487.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/6c1dbbc77024401e771469cb517d55b6/88513980036.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=windows+8+boot+keyPDF link annotation
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/buziwirilulapokoro.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_off0000e75f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75F | 10564 bytes |
SHA-256: 3468ecfeeecce5108e442e9a50a5976fa77f7a9d6cc1ebfaeb94e502b7362e08 |
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font_01_sfnt_off0000ffaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C1 | 18040 bytes |
SHA-256: 003edf50c33addf3427bd2239e45fc9105bb1dc3a3b5d75de20f9dd47bb5b375 |
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