MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://philabc.ru/uplcv?utm_term=secondary+immunodeficiency+pdf PDF link annotation
- http://agriturismocorteerbatici.it/userfiles/files/sujezava.pdfIn PDF document text
- https://safrano.pl/userfiles/file/74873306836.pdfIn PDF document text
- https://pakianco.ir/data/image/uploads/news/files/tirizopagefepesiluro.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/64804901134.pdfIn PDF document text
- http://kaitianjinghua.cn/admin/userfiles/file/202109060828024639.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/45044545767.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/45946097933.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/jekutatukuvosexis.pdfIn PDF document text
- http://china-miyaco.com/img/file/2021930156.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/46704871026.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/rapizadowofonemidow.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/lotevilurowitagir.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/kefigubufukusapexifutej.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/39974273544.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/dowadixakodap.pdfIn PDF document text
- https://duvarkagidierzincan.com/userfiles/file/2599678281.pdfIn PDF document text
- http://phubozena.pl/userfiles/file/tigejilajojizopif.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/lonizikulizudobofamalur.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/zeladireregir.pdfIn PDF document text
- https://www.gpaci.org.br/cms/ckfinder/userfiles/files/dejedakupi.pdfIn PDF document text
- http://csp.hu/editor_up/tutipudekekovo.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/widomulipa.pdfIn PDF document text
- https://digireg.at/upload/26699832202.pdfIn PDF document text
- https://otoform.com/upload/ckfinder/files/pesowof.pdfIn PDF document text
- http://hanboo.cn/Uploads/file/2021090502035470554.pdfIn PDF document text
- http://www.urbanwaterways.info/files/1140525992.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/jusujimoxumupowupolejusor.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_off0000cdba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5D1 | 10760 bytes |
SHA-256: 8bf4e7a6fda8d32b107c43380baab7c3e84192745caf1c5b4b6229390f6fb2dd |
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font_02_sfnt_off0000fe92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE92 | 17520 bytes |
SHA-256: 79416238686fa1dbcb01035a6c48b974ec6f734473976ff6d012d085ab6fb012 |
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