MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which are part of a link farm designed to redirect users to potentially malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple unknown URLs strongly suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the file, indicating it's likely used to deliver a second-stage payload.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://epicridesnepal.com/files/bulujaluxo.pdf In PDF document text
- http://farmina.ru/uploads/files/19361501718.pdfIn PDF document text
- http://termocity.by/pics/files/midoxesamoxalezerejebova.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/65656406265.pdfIn PDF document text
- http://pinxedien.net/upload/files/58222921189.pdfIn PDF document text
- https://anup.bo/images/files/60264996079.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/f72a6fdf0c2604c1711ef0fb17d19574/sunowaxibikufomojeker.pdfIn PDF document text
- https://xn--90ah6akb9e.xn--p1ai/f/file/mevigetazibanagisaxipu.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/90174423977.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210904_234508.pdfIn PDF document text
- https://basisangka.com/contents/files/30493770504.pdfIn PDF document text
- http://elard-group.com/ckfinder/userfiles/files/19687882437.pdfIn PDF document text
- http://phanmemerp.vn/attachment/files/kovuv.pdfIn PDF document text
- http://chipgene.com/image/files/20210909_135016.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/13918468752.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///60032543360.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/41960371440.pdfIn PDF document text
- http://sbairs.com/datas/files/dewepijibukupagupofusa.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/turufelanufewenirozaw.pdfIn PDF document text
- https://trystsalonri.com/images/file/jozezorudiv.pdfIn PDF document text
- http://benevolo.it/userfiles/files/49812355320.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcf514f8b8---xegawosinugubojanak.pdfIn PDF document text
- http://acunambalaj.com/adenoto/upload/files/datujoxajuxonom.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/32450359148.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=mangatoon+mod+apk+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_off0000e63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63B | 10416 bytes |
SHA-256: adf5205881ffe31b968b10832fdcdf8ea4910319165da07b77d681db7cb833dc |
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font_01_sfnt_off0000fda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B3 | 18916 bytes |
SHA-256: 7ddd63ebca51f715f210ea0ba92797da0392962c501e5760b9a14ff65f0431d0 |
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