MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs, many pointing to disposable domains, suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://upakuika.com/img/file/guvuwesuwogadigili.pdf In PDF document text
- http://vendsol.com/userfiles/file/8939250812.pdfIn PDF document text
- https://cicadit.ro/UserFiles/file/kiwujejamowuwebukinem.pdfIn PDF document text
- https://resonanceacteurs.nl/userfiles/file/33749126355.pdfIn PDF document text
- http://congnghiepxd204.vn/upload/files/sawitalezuk.pdfIn PDF document text
- http://perfekt-dom.pl/designhome/admin/userfiles/file/70250434154.pdfIn PDF document text
- http://safetruck.gr/images/file/redegutaguzexepuralegabej.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/rukaj.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/murowul.pdfIn PDF document text
- http://trunglam.vn/uploads/userfiles/file/degifiniwoboz.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/wexefa.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/kopojeviwiwofob.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/10009905227.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/62312042435.pdfIn PDF document text
- http://universalgroupautos.com/files/others/6692183916.pdfIn PDF document text
- http://getem.pl/files/file/ninonezited.pdfIn PDF document text
- http://partnercable.com/files/73126030213.pdfIn PDF document text
- https://negaratoto.com/contents/files/rupelavasuxiletosamuvig.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613faa5fdd4e6---zemefiguniwajesonu.pdfIn PDF document text
- https://narellesastro.com/userfiles/files/musabifilexoxesikolu.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/najojirewodezufur.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/19219019898.pdfIn PDF document text
- http://brukbet.com/user_images/file/zazirajimoluzopi.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/kobikikeragemugojizazoji.pdfIn PDF document text
- http://teewer.mn/ckfinder/userfiles/files/muxija.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=the+life+changing+magic+of+tidying+up+pdfPDF 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_off0000da9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AE | 21364 bytes |
SHA-256: 46af170073aa7674ae73dd8d6c505cd5b939b56638169b216dcf815da4f3391f |
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font_02_sfnt_off00012a37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A37 | 10976 bytes |
SHA-256: 5dfc4a2fea5213cf815a5a4407553653b054fc7c65bded9798e8e5c6e3987998 |
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