MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, many pointing to disposable domains, which is characteristic of a link farm used to obscure the final malicious destination. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the PDF is designed to redirect users through multiple hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://danguykhoidoanhnghiephp.vn/Upload/files/pukutofujevige.pdf In PDF document text
- http://conditum.nl/userfiles/file/73002541282.pdfIn PDF document text
- http://texmet.pl/userimages/file/45549583240.pdfIn PDF document text
- http://extrastyle.ee/ckfinder/userfiles/files/83876489852.pdfIn PDF document text
- http://kozelskadm.ru/files/uploads/files/83954465899.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/sufaxowenapa.pdfIn PDF document text
- https://ikomsolutions.com/admin/userfiles/file/fexoba.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/vuref.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/fesusususegewobibixerilod.pdfIn PDF document text
- http://nguyenphat.com/public/default/ckeditor/files/96403591661.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/7008702864.pdfIn PDF document text
- http://htwy.com/upload/file/rewixixobetilutodukamuna.pdfIn PDF document text
- http://homesunshinepharma.com/upload/files/42746324158.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614511d49b12e---bisot.pdfIn PDF document text
- http://zoo-foto.cz/userfiles/file/89910052720.pdfIn PDF document text
- http://www.heksan.com.pl/file/17472215057.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/bfcc16008302f1f4dc2ce92a5328c7de/ridipadefiruravapinujem.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/46687579034.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/55463497991.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/gijebolaretuxoveboxe.pdfIn PDF document text
- http://balalajka.nu/media/40888423348.pdfIn PDF document text
- http://grabnerestriche.at/35935247377.pdfIn PDF document text
- http://otvorene-srdce.sk/userfiles/file/pevurenelunaf.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/gajewofudaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cracking+the+pm+interview+pdf+freePDF 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_off0001093f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12151 | 18720 bytes |
SHA-256: a2859c3a330ec273bb5d2f7601ee3420fa1e5c72cc951c4201cf7aaafba1ac9d |
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font_02_sfnt_off000151c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151C1 | 11008 bytes |
SHA-256: 015069fd9d011f540e2b998606e8121a2b35c174461d403221cb25de8006c231 |
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