MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high number of distinct hosts and a focus on redirecting traffic, consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://atrax.hr/files/razoravezitewel.pdf In PDF document text
- https://texasbordervolunteers.org/userfiles/file/50380803025.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/59364835399.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1614401617ebdf---70978274050.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/84036818199.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/vametufazipiwanadevibiti.pdfIn PDF document text
- https://iwistw.com/upload/files/dojujolepenuwisexu.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/27720481727.pdfIn PDF document text
- https://www.lipca.com/ckfinder/userfiles/files/dewiturotit.pdfIn PDF document text
- http://michellenevinracing.com/FCKeditor/file/79622559867.pdfIn PDF document text
- http://aj-freight.com/ckfinder/userfiles/files/64122847404.pdfIn PDF document text
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/daxogorova.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8dc244392---silofapazobumaki.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/zazetimudogewetidop.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/fibopotupikuwuke.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/namogibewikuwonapo.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/gekemigugadabelebojonuxij.pdfIn PDF document text
- https://pasarantogel2.com/contents/files/xugatajusubesutolijuru.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/78839956822.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/12708882148.pdfIn PDF document text
- http://iamsong.vn/uploads/files/zedetufomipasoxib.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/tufavidijito.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210918_004343.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=activity+life+cycle+in+mobile+application+developmentPDF link annotation
- 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_off00010387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10387 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B9E | 10816 bytes |
SHA-256: 6ebbb0087c359ccb5478f22d063370ec6ce61cc1131ea52fbd40b8b8791fd796 |
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font_02_sfnt_off0001345e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345E | 18828 bytes |
SHA-256: 30d17b12510660ae79c69fec689054420be966533e6a8e5b68352e9aba4f5b51 |
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