MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains an embedded JavaScript stream and numerous external URIs, one of which is a disguised link pointing to a Microsoft login page. The presence of JavaScript and the nature of the embedded links suggest an attempt to phish for user credentials.
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://palestraarkadia.it/userfiles/files/76416107789.pdf In PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/38512832803.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/pejitipunolifogemetizi.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/nopuvivadepifev.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/puvironekekamave.pdfIn PDF document text
- http://cgemfoco.com.br/ckfinder/userfiles/files/xixaxakejoboxo.pdfIn PDF document text
- https://servicio-mexico.com/images/file/birefuloz.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/jitukuwejujolaxegowoxode.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/58470918895.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/kubesuju.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16142e8ca07fbc---belijugu.pdfIn PDF document text
- http://elverum-revmatiker.no/images/file/tutexijivujufosefemudido.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161355cc19cadd---vasaritoxowamonuxoteso.pdfIn PDF document text
- http://ylgems.com/file_media/file_image/file/49351443803.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/manunawinijidi.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/88840123560.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/lolixijowatexivix.pdfIn PDF document text
- http://mirai-kankyo.com/userfiles/files/dumiwavo.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/41866022957.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/54265337361.pdfIn PDF document text
- https://loctra.net/userfiles/file/50917335668.pdfIn PDF document text
- http://talcmanagement.com/uploaded_files/userfiles/files/2864427456.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/rasuzovolebosufomuloneg.pdfIn PDF document text
- http://www.beverburcht.nl/upload/files/pijub.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090809253972.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=microsoftonline+login+sign+inPDF 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_off0000b8e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F7 | 10344 bytes |
SHA-256: 1261932320548efe85211bbdfea1cc2c6655bc7125b431a921ae9f44a32304bb |
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font_02_sfnt_off0000e86e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE86E | 15100 bytes |
SHA-256: 326245ee764a60e45db3cae08213e3cf89226ec06e3cb421364270817ef295cf |
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