MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to other PDF files, suggesting a link farm or distribution mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, likely to evade detection or for SEO manipulation. No scripts were extracted, but the overall structure points to a malicious document intended to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://uniquehotelsolutions.com/files/others/63298289555.pdf In PDF document text
- http://thomas-zigon.de/images/file/purelaxo.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021091045150_315292360.pdfIn PDF document text
- http://packturf.fr/files/83613314642.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/73014829167.pdfIn PDF document text
- http://wienbildarchiv.com/upload_files/files/rotorovizezawetevud.pdfIn PDF document text
- http://dzirerealtors.com/uploads/jajafo.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/24160844582.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/24211417351.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/7qg47dofke8u5crl55tupfj811/petisuzezozanogodenodu.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161385c1505c00---83818993838.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/91056178309.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/4043607510.pdfIn PDF document text
- https://htapigroup3.com/contents/files/tovedagelesazivalurof.pdfIn PDF document text
- http://protectakoteasia.com/ckfinder/userfiles/files/4708334661.pdfIn PDF document text
- https://urology-andrology.com/userfiles/file/gadozin.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/64436036263.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/6747204222.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210901225820.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/sovaxenirebedivegor.pdfIn PDF document text
- http://aczelzalog.hu/tmp/zovojaluzemejobemiwotoxug.pdfIn PDF document text
- http://yacpa.org/yacpafiles/file/56833464365.pdfIn PDF document text
- https://tonwen.org/userfiles/file/navavefinojunilemizu.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/98421064689.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=el+siete+machos+pelicula+completa+en+espa%C3%B1ol+latinoPDF 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_off0000d9d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E5 | 20612 bytes |
SHA-256: b4b87625ca55a8e745cf78fecae7113178e526be2627f2633b81ef3fddb39716 |
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font_02_sfnt_off000126b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B5 | 10828 bytes |
SHA-256: feb8668e3b67874ab83f453779d4e33a1f185321d9165ec363034d8ea0c15077 |
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