MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous external URLs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high volume of links to distinct, potentially disposable hosts, suggesting an attempt to distribute malicious content or phish users. No scripts were extracted, but the overall structure points to a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://charming-dc.com/uploads/files/202109100711324326.pdf In PDF document text
- http://sethhukumchandschool.com/userfiles/file/71562539502.pdfIn PDF document text
- https://cheesykeju.com/contents/files/26882383629.pdfIn PDF document text
- http://imreelectric.sk/uploads/file/78584357018.pdfIn PDF document text
- http://njxinbell.com/upload/files/81181327018.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/62317634307.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/7fbf8f0aff24bd929b53129d60e7cbff/75427057799.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/pumoxuguk.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/reduwesaja.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/vukupabitomiwunurapaje.pdfIn PDF document text
- http://shardamedicalstore.com/singhania/downloads/file/53721607697.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/pozosusaf.pdfIn PDF document text
- https://braveathlete.net/geektic/files/gisuxa.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/71451109782.pdfIn PDF document text
- https://idroilektriki.gr/files/file/71084682886.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613410de2646c---12491617706.pdfIn PDF document text
- http://bkht.vn/userfiles/file/joxebuwazabujixoxib.pdfIn PDF document text
- http://swvocal.com/data/se2/file/57583263997.pdfIn PDF document text
- http://kyochonbuenapark.iorderfoods.com/uploads/files/xewifewijoku.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/zevapuwuxajoxu.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/57e01be5a6979bc685d1abaf9b53db44.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/lesozalos.pdfIn PDF document text
- http://btfa.tw/upload/files/88874537107.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/tivogatabuxukasatuvupav.pdfIn PDF document text
- http://vencedor.coop/images/admin/file/nidavozepivikiretogur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=betta+fish+live+wallpaper+mod+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_off0000dbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCA | 10956 bytes |
SHA-256: ee7690e187563c277d62c05b726284823b9766341fe0736a58cfa93966d061b4 |
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font_01_sfnt_off0000f53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53D | 20752 bytes |
SHA-256: ac5b2984732ae4b680d377e7ef5e44fd635ae7e882b0dec8e249907e9fb97953 |
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font_02_sfnt_off00012b2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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