MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, suggesting it functions as a link farm designed to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on disposable hosting, further supporting a phishing or malware distribution motive.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://coretry.ru/uplcv?utm_term=smartphone+usb+tethering PDF link annotation
- http://elma1.ru/!upload/files/lafazigudil.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/kuverisodaze.pdfIn PDF document text
- https://hung168.tw/UserFiles/files/19735708980.pdfIn PDF document text
- https://hogies.com/includes/template/uploads/file/56012439998.pdfIn PDF document text
- https://asztromiskolc.hu/ckfinder/userfiles/files/19726992792.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1161224549.pdfIn PDF document text
- http://studioarchoggianiepartners.it/userfiles/files/86856498404.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16137b711e466e---lewum.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306932954f9---jelefosejotakesizivof.pdfIn PDF document text
- http://flyingkirin.com/uploadfiles/file/08192257528.pdfIn PDF document text
- http://qunjl.com/userfiles/files/63110331164.pdfIn PDF document text
- http://termocity.by/pics/files/sajubum.pdfIn PDF document text
- https://www.bmo-agencement.fr/ckfinder/userfiles/files/52379577515.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/99815951384.pdfIn PDF document text
- http://www.pics4us.de/userfiles/file/4846161688.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/78808936404.pdfIn PDF document text
- http://biomehl.com/images/content/files/49260712082.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/dexekuv.pdfIn PDF document text
- http://atrsara.ir/resource/files/3263550523.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/nizejefidoruwejogagev.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/88193514646.pdfIn PDF document text
- http://microcement.ua/userfiles/file/dogur.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/47578480335.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/voravuban.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/24298625989.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_off0000d7a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A5 | 17400 bytes |
SHA-256: 1a1effe0b8de1978a23b3361226ac711392eb78f41718ac5f1337955517dbbac |
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font_01_sfnt_off000104ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EF | 10968 bytes |
SHA-256: 1f12666915707001fa26829d09d2ba01878e72fb99be9ef778c1e11523716aa9 |
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font_02_sfnt_off00011df8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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