MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is structured as a link farm, likely to trick users into clicking through to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://smidgel.ru/uplcv?utm_term=vlc+language+change+app+download PDF link annotation
- http://otworz-biuro-podrozy.pl/userfiles/file/duvakesapegurusug.pdfIn PDF document text
- http://hsi-international.com/ckfinder/userfiles/files/51589479363.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/rutobine.pdfIn PDF document text
- https://jewfri.kr/files/image/files/68550265500.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/95667223809.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/210ae871ebe66a70cde5b6e38f2cb15c/jaruputuruzorawanemid.pdfIn PDF document text
- https://bfull.ru/uploads/files/43805187415.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358238dc2e9---raxefazisibuk.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/fotunaladuxojifinif.pdfIn PDF document text
- https://istanajp2.com/contents/files/72043652767.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/jemetutijogadotuzubus.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/xopopinuvomupapasubone.pdfIn PDF document text
- http://pphjako.pl/userfiles/file/gaxibupaxosidam.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/tofegu.pdfIn PDF document text
- https://vanchuyenduongsat.vn/upload/files/maturelutajozonolerak.pdfIn PDF document text
- http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/sobuval.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/bokenekezak.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/kewokax.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/92796926351.pdfIn PDF document text
- https://fundoohairstyles.com/hairstyler/images/file/57809925494.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/kitinizowolivif.pdfIn PDF document text
- https://robindayne.com/ckfinder/userfiles/files/84828431867.pdfIn PDF document text
- http://gmicropilotes.com/uploads/files/lukuto.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/09101027739.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/50131950495.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_off0000d1f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F9 | 17552 bytes |
SHA-256: b1c8b5252377ae50fd80dabbf0b5a8416dd6c22e7e27213014fe62d5a9edf37a |
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font_01_sfnt_off0000ff9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF9A | 10488 bytes |
SHA-256: ddb5cd4192ab13361bb8c6d2327f2b09c91e7beec8d85826dc36be9e8bf795ec |
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font_02_sfnt_off0001173e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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