MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs pointing to various domains, with a significant heuristic indicating it's a link farm on disposable hosting. The primary malicious URL identified is http://chukysovin.com/img-svc/files/wutasibijarinorizanu.pdf, which is likely used to distribute further malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://chukysovin.com/img-svc/files/wutasibijarinorizanu.pdf In PDF document text
- http://konikanarrowfab.com/ckfinder/userfiles/files/tikafozogop.pdfIn PDF document text
- http://tid.vn/upload/files/gepuworubosugan.pdfIn PDF document text
- http://sperrincaravans.com/images/file/muwijujalulagizekazarip.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c2d5e92e3e---bagewivunaper.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/jewifezavuwemexek.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/33317553199.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/6efadcbb5c9c56e7954132958c2f1d5a/titejaf.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/7450516399.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/54426560904.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/gojalalugakozamejewizijev.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/75515354743.pdfIn PDF document text
- https://artcorner-fiberglass.com/userfiles/files/80197799906.pdfIn PDF document text
- https://minhkygroup.com/luutru/files/95870871197.pdfIn PDF document text
- http://hzqzg.com/d/files/betilitazatisal.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/sowetalejudolenesolulu.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/xakuvam.pdfIn PDF document text
- http://smsgurugram.com/miet/assets/files/gimawugavesuruliwewabexa.pdfIn PDF document text
- http://www.workbythai.com/admin/assets/images/losagazupuwi.pdfIn PDF document text
- http://imaginove.eu/data/Files/devegidetinuwu.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/16978901244.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/sonidem.pdfIn PDF document text
- https://viktorina.ledoritulys.lt/files/82084980831.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+compress+an+image+on+androidPDF 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_off0000b3f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3F2 | 17652 bytes |
SHA-256: 18dcff7f498fbd9b332a0d836f8fb4f63946851f38bc9251513cb5d1bbf17a63 |
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font_01_sfnt_off0000e0c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C7 | 10888 bytes |
SHA-256: 39514eab36f094e688f3adfa34c40dd49cfbf151d8f0e2fd9af603174458516a |
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font_02_sfnt_off0000f9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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