MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to create a link farm, likely for SEO manipulation or to host further malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://irlanc.ru/uplcv?utm_term=vhdl+code+for+bcd+to+7+segment+decoder PDF link annotation
- https://giolog.biz/images/bulk_images/files/36191242258.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/nuxewogudemanat.pdfIn PDF document text
- http://maha.tcnme.com/chop/multimedia/userfiles/file/josafumimodam.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/6af91ff732bcd8f824b5c82a54ee7fef/ruvisinuzeginofiwozud.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/9586971293.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/15417495510.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/34714332708.pdfIn PDF document text
- https://tdfstore.it/file/70496988528.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/95181562391.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161420e49a9755---kutap.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/98916785575.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/19668654507.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/mizavaragelumoluwuruvakus.pdfIn PDF document text
- https://fptica.ru/images/file/96118272282.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/dimev.pdfIn PDF document text
- http://lsbwg.com/ckfinder/userfiles/files/20211001/174952358.pdfIn PDF document text
- https://southafricapools.com/contents/files/winalotujifinagaxewop.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/47604722277.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/birejobita.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/zurumusuwen.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/zopumakibefane.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///10500264302.pdfIn PDF document text
- https://eltdb.com/UserFiles/files/98838067965.pdfIn PDF document text
- https://mygrind.ie/userfiles/file/sepugofowixufeburiwiku.pdfIn PDF document text
- https://t-groupvnxkld.com/uploads/news_file/bikoriwovutiwimukos.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_off0000b3df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF1 | 16972 bytes |
SHA-256: 1906fa4403f7ec66f1fcb4b3e6d52b290b319f62367a44b72694c823a467a48f |
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font_02_sfnt_off0000f87f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87F | 10828 bytes |
SHA-256: 4fe5d7a8b18eda2e4b2270ba952f52796b934e6d8fda5d51cbb62df99564fcaf |
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