MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to domains that appear to be part of a link farm, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to redirect users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://vrieshorst.nl/images/uploads/file/21724194656.pdf In PDF document text
- http://manavpublicschool.org/manav/userfiles/file/32497771103.pdfIn PDF document text
- https://pixel.bg/img/file/didofatogoxevemuj.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/wigiwixomefomu.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/nenedawugorifeja.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/kepuleponusinobu.pdfIn PDF document text
- https://ksboutlet.com/file/files/zozixip.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/13688153253.pdfIn PDF document text
- http://tidomusica.com/uploads/files/202109201255487483.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/rapijopabigigibezepigivu.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/vebelamegu.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/letuvipumonowor.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/33027895446.pdfIn PDF document text
- https://aymfly.com/aym_image/files/bewariwadisurijomulifusa.pdfIn PDF document text
- http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/58432354966.pdfIn PDF document text
- https://vilus.cz/userfiles/file/gasopukulexibaxokijaxibij.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/wewupaw.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16136545134e38---92532879191.pdfIn PDF document text
- http://voijin.com/userfiles/files/95531867198.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/kokuw.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/telovukebemaxuli.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/76412257821.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/161533d454b89d---jufisivudikusol.pdfIn PDF document text
- http://1hozain.ru/files/userfiles/files/radunovebepulamizo.pdfIn PDF document text
- http://www.tecnologycenter.com/admin/uploaded/fck/file/4037065179.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=bin+file+to+hex+file+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_off0000b7ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7ED | 17472 bytes |
SHA-256: 6ff2645f24b6ef85bb0fdacb64f59ceeafe434c507cff94d3acda0e569ead4b8 |
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font_01_sfnt_off0000e519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE519 | 10324 bytes |
SHA-256: fbeface7268295e670800f995b07b09cd8bfdc37b71def4679b80b589f082e89 |
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font_02_sfnt_off0000fc50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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