MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://china-spec.ru/userfiles/file/nujiwetejezejimiwopevu.pdf In PDF document text
- http://wenxuezj.com/images/File/44857964899.pdfIn PDF document text
- http://sfipl.in/userfiles/file/sozizepoduzawa.pdfIn PDF document text
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/54979651422.pdfIn PDF document text
- http://mega.kz/media/upload/files/jiruxujimudidigakopob.pdfIn PDF document text
- http://pate4me.com/userfiles/file/60293068951.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/gopabuwem.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/filapozizozo.pdfIn PDF document text
- https://profm.hu/files/file/91684370945.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/vefew.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/df34cc9443f8463c42f82959cf5e45ff/81059446248.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/ratajerijen.pdfIn PDF document text
- http://salonorganica.ru/upload/files/juranejemuvolarolibopal.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/60759514759.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/mabipexemiv.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/tanibonitefop.pdfIn PDF document text
- https://helices-evra.com/userfiles/file/ralawotoxegelimun.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/30379896165.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/625651387.pdfIn PDF document text
- http://boldogelet.hu/media/46023570168.pdfIn PDF document text
- https://zenithservicos.com/userfiles/files/regiregusetexataro.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/26639585071.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/a6emd6p26vdb4qh4le4hukkqg2/36748052561.pdfIn PDF document text
- http://maysoi.com/hinhanh_fckeditor/file/42037994917.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40255873938.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=stalker+iptv+player+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_off0000c803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC803 | 17460 bytes |
SHA-256: f1ba088a2d7f69e18143c91742a2dd1bd8c5be5b5bbcd082c0a6bd3c10e27f5d |
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font_01_sfnt_off0000f65e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E75 | 10200 bytes |
SHA-256: 8b60a44c823d80983a1385630c496afb2063fdfd41b79acf8def3af9ef32dd52 |
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