MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://baiduvpn.com/upload/files/20943165421.pdf In PDF document text
- https://kudamatsu.org/userfiles/file/zurekibonuzo.pdfIn PDF document text
- http://104408017.linker.tw/files/wojepugewabide.pdfIn PDF document text
- http://blueview.nl/app/webroot/files/userfiles/files/rujujaniwokaziv.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/86769304778.pdfIn PDF document text
- http://www.tramag.pl/upload/file/zipezopowatazibop.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76105200767.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/75443232226.pdfIn PDF document text
- https://ntct-dz.com/ckfinder/userfiles/files/33776960903.pdfIn PDF document text
- https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/fivaloririvane.pdfIn PDF document text
- http://klenderbio.com/upload/files/ruvami.pdfIn PDF document text
- https://tcremich.lu/files/files/fumutedopipofepevabeve.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371f1e7e954---10615187200.pdfIn PDF document text
- http://studiodabo.eu/userfiles/files/guxukorowozigewurewone.pdfIn PDF document text
- http://pk.mo/userfiles/file/zulugogake.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/voxazepezilefawidotedali.pdfIn PDF document text
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/perezaloxipo.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/45618695586.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/86923232831.pdfIn PDF document text
- https://pacantioquia.org/aym_image/files/29069820695.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/rivipiwufovuzizoxit.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/xijurekevimotaru.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/11900220859.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/35499510735.pdfIn PDF document text
- https://vvpta-irvine.org/userfiles/file/puselus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=best+groovepad+appPDF 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_off0000e0e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E0 | 10444 bytes |
SHA-256: 5032be9b443991949f6a4c6fd44a11cb40adc737a4c59b8fed3a8f2a336ff30e |
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font_01_sfnt_off0000f898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF898 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AA | 17344 bytes |
SHA-256: 3f867c6feb2283f2593391b83161ddbcc556acef638bf3b6a6f08e37fd38ea65 |
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