MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, one of which is presented as a download link for 'cheetah keyboard apk', indicating a social engineering lure. The presence of multiple disposable link farm domains further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://crewmak.ru/uplcv?utm_term=download+cheetah+keyboard+apk PDF link annotation
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/mimimumen.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/77313590332.pdfIn PDF document text
- http://mamitobe.ru/files/file/90897755913.pdfIn PDF document text
- http://moretonassets.net/userfiles/namuxoguvudod.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/10c36c7f4873fe4a83b451456fcf6a7b/87879015431.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/31875932369.pdfIn PDF document text
- http://erfaspot.com/resimler/files/55188443027.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1630699969.pdfIn PDF document text
- http://hig-hegmann.de/userfiles/file/5497176459.pdfIn PDF document text
- http://mnarch.it/userfiles/files/31525693617.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/85881151807.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202109180106009801.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/nanope.pdfIn PDF document text
- http://lamardaegu.com/upfile/user/file/sekinifiragusixuselati.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/butuzufapuwelevuzarusiz.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/sujubuwuwopubezenedas.pdfIn PDF document text
- https://www.premiumtrade.ro/ckfinder/userfiles/files/89959401560.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/2664a95b5953e7bfde20b592018cf122/4879099112.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/55832150467.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/biloribexezenisat.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/xufosuvukusuleletab.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/bunotazapefep.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/55304396011.pdfIn PDF document text
- 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_off0000d5c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ede0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE0 | 10784 bytes |
SHA-256: 6cac38744ab1b119d0c5dc670828804a891c0736c61685916618bfdc7da7d8b1 |
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font_02_sfnt_off00010680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10680 | 16924 bytes |
SHA-256: 74779c8805de712d0e9cb0c18d31645569cd1842cd19649cac97e3fa42256073 |
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