MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to disposable hosting, and exhibits characteristics of a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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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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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://nomylo.ru/uplcv?utm_term=new+play+store+app+download PDF link annotation
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d914db9f7e550e31694a3c148da5902d/rixavuraze.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210902122643.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/bupijikowapuv.pdfIn PDF document text
- http://diskacme.dk/images/upload/file/tukosukuxos.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd728dfafb---5734502492.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/nolowuxibonaberir.pdfIn PDF document text
- https://geloracinta.com/contents/files/52285487935.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/zifuwadolofutegup.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/63478233321.pdfIn PDF document text
- https://oncetrabzon.com/resimler/files/21769107209.pdfIn PDF document text
- https://emmaushuis.org/pages/bujunexapujusuv.pdfIn PDF document text
- https://lekkermooi.nl/userfiles/file/69904313198.pdfIn PDF document text
- http://gardens-spa.com/user_pict/file/tojosikiwefukonatitubure.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/fanolefusiminipozupavupu.pdfIn PDF document text
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/94031080702.pdfIn PDF document text
- http://bibikid.ru/upload/kinezegixoxigojit.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/kejodemabibivudurufufelum.pdfIn PDF document text
- http://dreiseengrundschule.de/files/disojugirugexagavukadozo.pdfIn PDF document text
- http://csigikes.hu/admin/fck_upload/file/55089121254.pdfIn PDF document text
- https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/70593043631.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/18727644400.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/57208797932.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_off0000d9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C1 | 10468 bytes |
SHA-256: e1b2a35269bf205bf0f6a41e1917fdace7ae00c29da4fa079852cafb001d9236 |
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font_02_sfnt_off000109c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C7 | 17580 bytes |
SHA-256: 5c231c7384e46ffc189745d93ccf37df1d3c8c95b0dbebe9ce265b61daf11aa9 |
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