MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to external resources, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by indicating the PDF is part of a link farm on disposable hosting, commonly used to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://lse.hu/userfiles/file/35785837444.pdf In PDF document text
- http://style4.allwebeasy.com/userfiles/files/xezedoposavulufiwoniv.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/7148952034.pdfIn PDF document text
- https://naves.cz/res/file/49142658287.pdfIn PDF document text
- http://ipceurope.be/assets/file/20960302247.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/19969619913.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/7344446261.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/16600070877.pdfIn PDF document text
- http://workontext.ru/media/file/41147292792.pdfIn PDF document text
- https://everestart.com/images/stories/file/51607875116.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/rototawijo.pdfIn PDF document text
- https://7mark3t2-7aya.com/contents/files/xinilamimulafi.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/duvavixe.pdfIn PDF document text
- http://jtylek.pl/Upload/file/8216765381.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/161419d7659e7e---toxujamulefunigexori.pdfIn PDF document text
- http://langfordfinancialservices.com/userfiles/files/71517169028.pdfIn PDF document text
- http://conganbacgiang.vn/app/webroot/uploads/files/73269912188.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/bifapiloxorarabolu.pdfIn PDF document text
- http://silverk.ru/img/lib/file/62887135202.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27819696882.pdfIn PDF document text
- https://quanghuydulich.vn/img_duhoc/files/96239751033.pdfIn PDF document text
- https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/19005520715.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=redmi+note+8+ufsPDF link annotation
- http://irodori.kir.jp/files/file/73952492878.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_off0000cb21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE338 | 10560 bytes |
SHA-256: 5e0a0381c0990b3e8fe471f9ab0af92b6af937b416834dbc2feb763232c70b56 |
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font_02_sfnt_off0000fb53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB53 | 18400 bytes |
SHA-256: be2592d98db50d722ae24db210cdac961e5890426c34f5a2c820cc2a1b961fee |
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