MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely redirects to a link farm, as suggested by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous unknown URLs, which is a common tactic for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://ebal.ro/app/webroot/files/userfiles/files/luzimowewisaxegeje.pdf In PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/jajebobinufuzakexixunizi.pdfIn PDF document text
- http://npk-bypassdrr2.com/file_media/file_image/file/12527008304.pdfIn PDF document text
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/zijosomunusetutagunexovor.pdfIn PDF document text
- https://francois-daulte.com/ckfinder/userfiles/files/fodimibezunofafaxokutu.pdfIn PDF document text
- https://europartner2.pl/uploads/povuboriluku.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/fovenaw.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/lalotegelopudavevokux.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20016244437.pdfIn PDF document text
- https://lochoanggia.com/upload/files/65763417437.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/kowosalakuvefuleleserum.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/kuzowobivaziboxurogex.pdfIn PDF document text
- http://atdawnwelift.com/userfiles/file/tikosoruxokot.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/66451159352.pdfIn PDF document text
- http://24horasnoar.com.br/ckfinder/userfiles/files/zerisawi.pdfIn PDF document text
- https://10fci.info/userfiles/file/foxonibosidamono.pdfIn PDF document text
- http://artvideo74.ru/upfiles/files/50269442379.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/lewowanofu.pdfIn PDF document text
- https://euchebnici.com/img/file/delijowezefopukatexe.pdfIn PDF document text
- http://gnox.vn/upload/files/nuxebonefujelawetixuveso.pdfIn PDF document text
- https://csam-villepinte.org/uploads/images/file/fuxemenusekus.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/luwizip.pdfIn PDF document text
- https://pannonfinanz.eu/editor_up/68044736799.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/28487080455.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/5rvvncnhhq53nv5r3n915c90o7/xazegutuwodad.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/31594387598.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=shadow+quiz+game+answersPDF 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_off0000b1cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CB | 11020 bytes |
SHA-256: 24be05462c057a7d74705839e0402b83106dc536fb4d26c883cffb54a3d6e3bd |
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font_01_sfnt_off0000cac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D6 | 16296 bytes |
SHA-256: 7330285456da69b5a0b3afeaac72ba1658bbeaf4eb4e6f68b04d00e89ea1310b |
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