MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains and are likely part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ammk.sk/userfiles/file/vagevijedozigov.pdf In PDF document text
- http://volkshilfe-vlbg.at/images/content/files/pisonagep.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/sv5hco76gahatanmq12i2p5pjc/64043930182.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/xubilutudejesorogibakuzas.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/bukesoxukudi.pdfIn PDF document text
- http://hybsch.it/upload/file/latarugawatal.pdfIn PDF document text
- https://autopsrus.com/ckfinder/userfiles/files/20545756941.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/bipakomudubilewe.pdfIn PDF document text
- http://ngocphuocjsc.com/public/default/ckeditor/files/jafegisaxigaweduzu.pdfIn PDF document text
- http://exdebt.bg/userfiles/file/92094930360.pdfIn PDF document text
- https://raljob.com/userfiles/file/lekoti.pdfIn PDF document text
- http://snft.ro/media/file/toderirubujomemewegaboda.pdfIn PDF document text
- https://aceold.lrsinc.co/userfiles/file/59500987501.pdfIn PDF document text
- http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/62000389080.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/bivapezupiri.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/6780345071.pdfIn PDF document text
- http://namkhoabacninh.com/images/files/90691797143.pdfIn PDF document text
- https://pastravariaizvoarelebratiei.ro/images/file/guzukakopasojikure.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/fuzerazuduxedipepo.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/90952591320.pdfIn PDF document text
- https://stepweystudy.com/ckfinder/userfiles/files/totipetawise.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/67053096146.pdfIn PDF document text
- http://castudio.eu/userfiles/files/lukupedozogu.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/61497420868.pdfIn PDF document text
- http://bushurov.ru/images/files/degulilogoxido.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=location+change+apkPDF 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_off0000b339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB339 | 14768 bytes |
SHA-256: 4bad9eaf5b78552bb02c05045585ee35b8b6b14fdec6f4886c7d359f965607c3 |
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font_01_sfnt_off0000d86b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF082 | 10388 bytes |
SHA-256: aad5aecaf9d6f031848be6d7698722c00559e19858f7f4044fa986164c36614a |
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