MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs pointing to various domains, many of which are likely part of a link farm designed to manipulate search engine results or distribute further malware. The presence of these URLs and the heuristic detecting a link farm suggest a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://zlato-stribro-investice.com/upload/files/72102419486.pdf In PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210907_7C46C02014B2126A.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/notomuxisixe.pdfIn PDF document text
- http://abhinavabhishad.org/userfiles/file/tananidikurur.pdfIn PDF document text
- http://resurrection-life.net/userfiles/files/boreligavebufazejof.pdfIn PDF document text
- http://dafangtour.com/fckeditor/userimages/file/335640180.pdfIn PDF document text
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15876287863.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/nevaxejowida.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/31359035532.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/dq27qi6bcb6ltmf7ut6njlgm85/mesebivirirosunogud.pdfIn PDF document text
- https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/gobozewebomesenimuf.pdfIn PDF document text
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/fabojakojometiwin.pdfIn PDF document text
- https://anmoul.com/userfiles/file/lelajedopenumozalolu.pdfIn PDF document text
- http://seoulgreeter.com/userData/board/file/30169380694.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-11/20210911210315735564.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-14/20210914012101904685.pdfIn PDF document text
- https://electrodomesticaruano.com/images/ckfinder/files/jeregiwojeri.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109130902104186.pdfIn PDF document text
- https://rarahil.org.np/ckfinder/userfiles/files/wovedozeminaporopa.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/webanurejolod.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/71565025086.pdfIn PDF document text
- http://karinameal.com/imgdish/files/35523521631.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/diwexituzazujavikufagi.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/775b614a470bad377f761ec1d793364c/21659640706.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/nivon.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ashes+cricket+game+2019+download+for+androidPDF 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_off0000b91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91A | 11544 bytes |
SHA-256: 7d624c0904536c9786921f73b977f7e6078849aa69348fdbe07f6a43fb41e050 |
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font_01_sfnt_off0000d44f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44F | 14976 bytes |
SHA-256: 0962c08a842cebf91790030ad2a8ff0fdf7d3e4e1c8da996eb8ef2e6149b1262 |
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font_02_sfnt_off0000fa34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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