MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to a link farm, suggesting a tactic to manipulate search engine results or distribute further malicious content. The document body is heavily obfuscated and appears to be non-readable content generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/ruriweseladakekuzojonodev.pdf In PDF document text
- http://frankifoto.com/uploads/pages/files/35815925410.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/77336115067.pdfIn PDF document text
- http://giaphatmed.com/upload/file/punulasifi.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/pekegofikeg.pdfIn PDF document text
- http://bigdoughpizza.com/uploads/files/jononenewopogul.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/161304ce5e5447---70600160051.pdfIn PDF document text
- http://zhuoer.ltd/userfiles/file/45816814499.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/10376786509.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/memutimofoforobis.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/putug.pdfIn PDF document text
- http://co-mit.com/uploads/files/49636636986.pdfIn PDF document text
- http://babyshelter.net/assets/upload/files/mifulowigurezu.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210908_234900.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/56438498081.pdfIn PDF document text
- https://sokolzgierz.pl/web/uploads/files/bekilefebinukolux.pdfIn PDF document text
- http://accapierre.it/userfiles/files/1305805726.pdfIn PDF document text
- http://tivati.com/uploads/userfiles/file/rujomudetobovogepipitudog.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/79439141235.pdfIn PDF document text
- http://gk-eventus.ru/admin/ckfinder/userfiles/files/taruduvuselatur.pdfIn PDF document text
- http://wenxuezj.com/images/File/xixeratakoneropokevajaju.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/13935339482.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=stumble+guys+mod+apk+unlimited+gems+downloadPDF 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_off0000defc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF713 | 11244 bytes |
SHA-256: c330f01bbd5e1868f17eff45d17226ed1f297dd6e4fe15d1be1affd13b2389b8 |
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font_02_sfnt_off00011118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11118 | 17480 bytes |
SHA-256: 0378040a1c123fd5951520a755333e5a5ff93037bf30f65058b25026ffe634e9 |
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