MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to potentially malicious PDF files, and one heuristic identified it as a link farm on disposable hosting. The primary attack pattern involves directing users to external sites, likely for credential harvesting or further malware delivery.
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://0922.sproname.com/files/userfiles/files/kuxubogukedobufalub.pdf In PDF document text
- http://hvpeds.com/upload/contents/file/31750754820.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/jilepefumoros.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/57671761051.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/gusinaragasulo.pdfIn PDF document text
- http://lsphc.com/userfiles/file///17386163530.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/72944813778.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/161368e256622a---detozesik.pdfIn PDF document text
- http://veitali.com/upload/files/24461424819.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/waweritedet.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/40286099658.pdfIn PDF document text
- http://x-site.by/upload/editor/files/96324435026.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/t9ses0d6srniou0ct07kkjqmog/tomuxuzobu.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/puwukobonuzeru.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/nexiwawapivelibe.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/23210814335.pdfIn PDF document text
- http://napiarsaigh.com/images/muwobaf.pdfIn PDF document text
- https://wsbtitan.com/images/file/36078123590.pdfIn PDF document text
- https://rumahbaruku.com/contents/files/7562114643.pdfIn PDF document text
- http://inbond-cn.com/userfiles/file/kiwenupixasa.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/xokulizukubo.pdfIn PDF document text
- https://newfrio.com/userfiles/files/fekaxuf.pdfIn PDF document text
- http://ilonew.tasksplan.com/ckfinder/userfiles/files/vumuxakozovumut.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=android+mobile+to+desktop+internet+connectionPDF 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_off0000d289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eaa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA0 | 10724 bytes |
SHA-256: 041357c48815fc0ab794db46ccf55ba76a13421cd024c28d3ba11a8eaec9fb40 |
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font_02_sfnt_off00010300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10300 | 17672 bytes |
SHA-256: 76467601f299354998a12e5e4c3c3f71034dadd29a35258b427d2e3a12e4a1ad |
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