MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a network of links on disposable hosting, likely to distribute malware or facilitate phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=defense+zone+hd+apk PDF link annotation
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/o0ocrb5gupakrskai3u1kndesn/jukeropa.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/zagemoziwaxukidezi.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/83964045691.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///kurulovakaxojagof.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/balufib.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139c078449c0---843363189.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/7904178857.pdfIn PDF document text
- http://khonggianmang.com/upload/files/kejukiruduxirebinebabefiw.pdfIn PDF document text
- http://biswasi.com/userfiles/files/67198509967.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/7456827677.pdfIn PDF document text
- http://wwsm-hk.com/files/file/wakazowodexurozupufe.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/82901758984.pdfIn PDF document text
- http://effekt-film.de/files/file/xuzigilujufi.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/sonugepivepukadezaz.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/89247784286.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/21845548397.pdfIn PDF document text
- http://sxcec.org/userfiles/file/29785946669.pdfIn PDF document text
- http://gilendor.cz/userfiles/file/viwesuzajuvomujun.pdfIn PDF document text
- https://bak.vn/upload/files/famiwifene.pdfIn PDF document text
- http://wellogo.in/userfiles/file///xatevapexutaz.pdfIn PDF document text
- http://vietsinphar.com/uploads/files/35540734566.pdfIn PDF document text
- http://2safe4u.cz/UserFiles/File/zogegawofokovavad.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/42225861024.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_off0000d172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD172 | 10412 bytes |
SHA-256: 456a36bc899f9b6225edb3ae7895f7d3d6ed34e6de00f48de7afbfe8d5fa9ef4 |
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font_01_sfnt_off0000e908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE908 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001011a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011A | 18748 bytes |
SHA-256: fbc0738b2559aa8dab515df2cdc040f1e4d9b4abc0bbf6c416aeb129c8f5c822 |
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