MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to suspicious domains, suggests an attempt to redirect users to malicious sites. The 'Urgency / deadline lure' heuristic further supports a phishing or social engineering attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://chothuexehochiminh.com/userfiles/file/nunozosununudokagesima.pdf In PDF document text
- http://www.samuitns.com/image/upload/File/65446412420.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/birumofanojupop.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/vinipudobagip.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/xugazaxu.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/golunen.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/torif.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/girixojenenatunitug.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/45978095561.pdfIn PDF document text
- http://architettoannalisatinelli.it/userfiles/files/zozojufebarido.pdfIn PDF document text
- https://interconformity.ro/images/file/8325894192.pdfIn PDF document text
- https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/pawutaxugifiwujaf.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/bemarane.pdfIn PDF document text
- https://www.karelo.com/uploads/File/megabadekoropaxuvetewip.pdfIn PDF document text
- https://georeno.ca/userfiles/files/duxomalinagufi.pdfIn PDF document text
- http://lemonsport.hu/upload/file/jilovilizo.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140266d5ca96---86639160023.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/bevijedasinisowev.pdfIn PDF document text
- https://maintogelonline.info/contents/files/masijituxajovoxuvape.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/lofozojo.pdfIn PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/93388637802.pdfIn PDF document text
- http://moestuinwebshop.nl/userfiles/file/jitikodu.pdfIn PDF document text
- https://philly.drinkpoint.com/uploads/files/fepolikapokasazizenuwiro.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/16664097634.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=happy+anniversary+song+sonu+nigam+mp3+free+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_off000152d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152D5 | 21744 bytes |
SHA-256: 390a68062d6ee485117a47063765a7eefa5a7cb597335f367e3ed73d34c8e0c1 |
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font_01_sfnt_off00018b0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001a325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A325 | 11272 bytes |
SHA-256: a8fc355037f835fe34cb7907c1d7d6208d068961cc7864df18252ec8a994d903 |
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