MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm strategy, suggesting the document is designed to redirect users to potentially malicious sites. The embedded JavaScript likely facilitates the redirection or further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://barudan.hk/UploadFile/file/20210911184458031.pdf In PDF document text
- http://motoren-adachi.com/js/upload/files/85538140261.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1866ba673---fopijakixovokupojuro.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/24339363671.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/ketiwilodojire.pdfIn PDF document text
- http://daegyung.kr/userfiles/file/20210911234644.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/87454345855.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/60733608043.pdfIn PDF document text
- http://ulsantour.com/FileData/ckfinder/files/20210901_5D4C4BF91753B847.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/goxekoxemakewijonoweku.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210901192746_t07clu.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/3e27fa5b5c2e2cdb50e0528d5f00ff54/84524042385.pdfIn PDF document text
- https://nusbetaja2.com/contents/files/jebipig.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/90771068056.pdfIn PDF document text
- http://www.tahi.hu/ckfinder/userfiles/files/49664120981.pdfIn PDF document text
- https://vroa.pl/chplusfiles/file/96400470368.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/43419828560.pdfIn PDF document text
- http://veronikavilla.hu/userfiles/file/gekejupimexuwatudopobe.pdfIn PDF document text
- http://bolt-go77.com/fckeditor/userfiles/file/kopizumokemakerame.pdfIn PDF document text
- https://cosmeticdermatologymiamibeach.com/uploads/data/files/polujujapitadojamu.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/sutorewifozexabusetaf.pdfIn PDF document text
- http://koryosushi.com/uploads/files/95246631721.pdfIn PDF document text
- http://nhatnguyen.vn/media/ftp/file/43102117103.pdfIn PDF document text
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/bitojameforo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=hex+to+character+converterPDF 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_off0000c29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC29C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dab3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB3 | 10180 bytes |
SHA-256: 886b968a8911bb4cfd614fdfb49944ece3e98abac9bf5004a66259d49dd7e29b |
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font_02_sfnt_off0000f16d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16D | 17096 bytes |
SHA-256: f3e13b42c5639cd5387540e009efb050272138c1bf812e8a88fa276632f46e87 |
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