MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded links, many pointing to unknown or potentially malicious domains, suggests a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by indicating a link farm on disposable hosting, a common tactic for obscuring malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://nhabe.com.vn/ckfinder/userfiles/files/93714339749.pdf In PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/28393391728.pdfIn PDF document text
- http://morpheus-architects.com/file_media/file_image/file/zuzalukajuneruf.pdfIn PDF document text
- https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/zadaw.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/zobitevokiku.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/42518022652.pdfIn PDF document text
- http://ijdssymposium.eu/upload/9266999422.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/pozotixus.pdfIn PDF document text
- http://madmojo.com/fckupload/file/wizuxe.pdfIn PDF document text
- http://dainindo.com/Uploads/userfiles/files/25688727491.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/tubatesolesixe.pdfIn PDF document text
- http://doctour.hu/uploads/ckfinder/userfiles/files/fapojotutuxop.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b115ac800b---muwivi.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/59840991332.pdfIn PDF document text
- http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/70488798133.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/64089126536.pdfIn PDF document text
- http://tzsunup.com/upload/wipexepiromaser.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/zosorezikaxebez.pdfIn PDF document text
- https://svetplus.com/userfiles/files/4028394759.pdfIn PDF document text
- http://caratow.eu/userfiles/file/32935405005.pdfIn PDF document text
- https://mmrh.myagenda.cz/pictures/editor/files/50519851366.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/xoluduso.pdfIn PDF document text
- http://pmke.cz/pictures/files/6059333056.pdfIn PDF document text
- http://auto4-spb.ru/public/images/ckfinder/files/bonidunupogozegenovuwatot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=run+ios+on+android+phonePDF 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_off0000e48a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48A | 10492 bytes |
SHA-256: f1060d31ac1f1a999a357974dae53eacf1ddcbe3e396680f54b3145850240fe9 |
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font_01_sfnt_off0000fc4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001145d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1145D | 17720 bytes |
SHA-256: 1d3d3cde00cd8c472d3993570be143f00165f033a2924514ff2c913774615bcf |
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