MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the document is part of a link farm, and multiple unknown URLs were extracted, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://erpos.sk/data/files/96945801332.pdf In PDF document text
- http://sowa-architekci.pl/userfiles/files/9099848240.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/kewaluzawakutuwezasurano.pdfIn PDF document text
- http://constantcontinuity.com/membership/data/files/53170806843.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/51fd4d7f2c54a36bdd2a012dc785a907/14344240108.pdfIn PDF document text
- http://osingenieria.com/images/admin/file/lemalujupebiniteriwujokow.pdfIn PDF document text
- https://cowik.pl/upload/92846391406.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/7373038494.pdfIn PDF document text
- http://canoto.us/Images_upload/files/kogagumexa.pdfIn PDF document text
- https://cubic.is/userfiles/file/5206672642.pdfIn PDF document text
- https://kham.vn/userfiles/file/73335305695.pdfIn PDF document text
- https://aczv.fr/userfiles/file/jolepadijuw.pdfIn PDF document text
- http://apisicul.com/userfiles/files/vimakojaxexifuvo.pdfIn PDF document text
- https://nacituran.com/userfiles/file/24055279852.pdfIn PDF document text
- https://thokhoavietnam.com/upload/files/sexefepilogewudunajudi.pdfIn PDF document text
- http://changrung.com/ckfinder/userfiles/files/86878245224.pdfIn PDF document text
- http://chromavials.com/d/files/27353273361.pdfIn PDF document text
- http://jolanyee.com/upload/files/202109030705256312.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/kewuxurunudanavofivako.pdfIn PDF document text
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nabamaxipaduzalolalepel.pdfIn PDF document text
- https://tamphuctriland.vn/upload/files/6525426928.pdfIn PDF document text
- https://satbietthu.com/luutru/files/vopomidikemakex.pdfIn PDF document text
- http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/bowonumedaturiruzina.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210908202540.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/1f3i0nl0adop0orkrrum1elavk/74126427192.pdfIn PDF document text
- http://sieuthimaynhapkhau.com/upload/files/kadilomifipinuwizazi.pdfIn PDF document text
- http://ipublicity.cz/data/file/wesijegovikodasatifitekaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=pes+20+android+downloadPDF 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_off0000cfc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC4 | 17744 bytes |
SHA-256: 11ee0b60ebdc4e7243b7eed6407e12bfb2e9684d3c495ebccb15aec68115e61d |
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font_01_sfnt_off0000fe04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001161b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1161B | 10472 bytes |
SHA-256: db42463952a359ee7bf922cf2c4b381860bcd98d727da966ac96007787784f12 |
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