MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, indicating a probable phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is not a legitimate document but a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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://laborke.ru/uplcv?utm_term=caustic+mastering+apk+full PDF link annotation
- https://actsonics.com/uploads/files/202109110102363119.pdfIn PDF document text
- http://thienthaopc.com/upload/FCK/file/35305301022.pdfIn PDF document text
- http://kyea.org/imageuploads/5766830163.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210905_75CB0F81D1C0632D.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/c0e4535d4647422789d5d09bb818ac38/sedenitamiwekel.pdfIn PDF document text
- https://riwg.in/userfiles/file/gigixotu.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/kazenanexunabiwutixif.pdfIn PDF document text
- https://digbijoynath.in/uploads/userfiles/files/kujojererumogusidoluva.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/damotevasowegiwa.pdfIn PDF document text
- https://zd-zeta.com/uploads/files/202109122308579767.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/jonodexawenawatinaguri.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/xogozukameburex.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/sudegonasunewude.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614033d06d4d5---1403716995.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/74784154155.pdfIn PDF document text
- http://brilsports.ro/userfiles/file///xefezaxeronodepigexo.pdfIn PDF document text
- http://bladensburg.abwingsmd.com/uploads/files/80912823590.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/furejabefek.pdfIn PDF document text
- http://madmojo.com/fckupload/file/rezutax.pdfIn PDF document text
- https://idosekotthonaveresegyhaz.hu/files/files/rabubebumujigagokuvekeg.pdfIn PDF document text
- http://mskgroup-spb.ru/upload/file/nesebixetedak.pdfIn PDF document text
- https://clubforeducation.com/FCKeditor/userfiles/file/jebax.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/97052396992.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/55612913739.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/pavoxiveragofofafi.pdfIn PDF document text
- http://penzion-u-zamku.cz/files/file/99395973192.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_off0000d832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD832 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f049.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF049 | 10928 bytes |
SHA-256: c89f9b12de6bd4fbc6e9fc6d5227e52aae11f517a2ac66e93efbc3b9d31fd716 |
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font_02_sfnt_off0001099d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1099D | 18408 bytes |
SHA-256: 5d99f2ee3376c8e30edbed6b326c17a3b358b6c3917c6a65dfb9a3d3dda821df |
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