MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to domains that appear to be part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. One heuristic specifically identified it as a 'PDF_SEO_DISPOSABLE_LINK_FARM'. While no scripts were directly extracted, the presence of numerous external links and the overall detection as a phishing trojan indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://silver1979.com/upload/file/pegud.pdf In PDF document text
- http://nanouklid.cz/upload/file/89371006697.pdfIn PDF document text
- http://delannahotel.com/user_img/file/77666645066.pdfIn PDF document text
- https://appvid.eus/userfiles/files/82065738840.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/70969266016.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/75493841389.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/solefaviwaxilerorenizu.pdfIn PDF document text
- http://dailycan.com/userfiles/files/70160416654.pdfIn PDF document text
- https://vestol.bg/files/file/nofoxezelevu.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109041634397731.pdfIn PDF document text
- https://kawanmto.net/contents/files/gafefimavi.pdfIn PDF document text
- https://rawoctane.com/uploads/file/84820325888.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/1418564073.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/49333788255.pdfIn PDF document text
- http://ccshecea.org/upload/files/4645813543.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/kugubolagijipopaxigepefek.pdfIn PDF document text
- http://mrs-edu.com/sribati/editor/uploadfiles/36493257101.pdfIn PDF document text
- https://bursac.net/userfiles/file/tufewegisutezu.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/togixewe.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/36675973462.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16143aa674fe3c---pusawofolipuwobow.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/97444770900.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/jusekovilujuxedetisow.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/lezuwimemamezusa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=harry+potter+and+the+philosopher%27s+stone+fb2PDF 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_off0000d8fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8FC | 10996 bytes |
SHA-256: dce716f5cea367bca737da5171ef129badd0b87ae3df98dff5b0156557aadd57 |
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font_01_sfnt_off0000f245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF245 | 18488 bytes |
SHA-256: 98c2ce5575599d095b1b0757f4a1cffedd1ae14044d7466345e64b3e7a81ecb8 |
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font_02_sfnt_off000121e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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