MALICIOUS
134
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. It contains numerous external links, many of which are hosted on disposable domains, suggesting a link farm or distribution point for malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://medvor.ru/uplcv?utm_term=mp4+juice+download+apk PDF link annotation
- https://nacionalequipamentos.com/ckeditor/uploads/files/6154460524.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/nojotimonexez.pdfIn PDF document text
- http://signfabapp.com/ckfinder/userfiles/files/lejofem.pdfIn PDF document text
- http://markone-tools.com/upload/files/gapefovidasasolowapexi.pdfIn PDF document text
- http://vibestedu.com/_UploadFile/Images/file/gevesepazuwu.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/88585634217.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161313a567a669---11738394574.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/92577002734.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/povinomobozidekinesom.pdfIn PDF document text
- https://papiratisk.cz/soubory/fotanuvetewapofok.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/16044200372.pdfIn PDF document text
- http://aucontecnologia.com/userfiles/files/pejarekarojodajavar.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109101517327619.pdfIn PDF document text
- http://csc0311.com/userfiles/file/20210913153632_ik69io.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/wobinaxevulupok.pdfIn PDF document text
- https://www.rapn.ru/ckfinder/userfiles/files/79036200447.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/2481595180.pdfIn PDF document text
- https://wcfkenzi.com/ckfinder/userfiles/files/widuj.pdfIn PDF document text
- http://simoncaulkin.com/images/wetupaguzoraxakefapizepa.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/48937151932.pdfIn PDF document text
- https://vpmemorial.net/images/file/8872010845.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/sonajuwuxikifujinejuniv.pdfIn PDF document text
- https://muacash.com/webroot/img/files/tosugobekado.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/rebonogigadamam.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_off0000dbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCA | 10620 bytes |
SHA-256: 98e192508a558c7819bb9c2e8c167de5a043f6c716655058d8183c6b42589638 |
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font_01_sfnt_off0000f438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF438 | 18284 bytes |
SHA-256: 13f0c8b416ddbdb6c4515d2fad7135951dc67a937f1a6983bb5fb05b9ee84ec8 |
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font_02_sfnt_off00012365.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12365 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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