MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or spread malicious links across many domains. While no scripts were explicitly extracted, the nature of the embedded URLs and the overall detection suggest a phishing or malware distribution attempt.
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://humidorio.de/ckfinder/userfiles/files/migilumepevesikubigiva.pdf In PDF document text
- http://haliburtonhighlandsheritage.ca/userfiles/file/jotonazonode.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b47cd3e8d---pebagubudaledubejafejen.pdfIn PDF document text
- http://iviltra.lt/images/files/rigefalulavotadadasanir.pdfIn PDF document text
- http://recuva.kr/upload/fck_img/1630654342/file/11846017370.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/42626239490.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/94268022974.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/guxanumalosumolegav.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/86681039541.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/63610998683.pdfIn PDF document text
- http://fullx.net/files/xuzawexipasum.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/91305018770.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/78730902135.pdfIn PDF document text
- http://denprokhorov.ru/images/file/rijenulazulopen.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/depalixad.pdfIn PDF document text
- http://collectifff.be/imgdb/accueil/files/57475387347.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce0d5d29e06acfc76491186777f4c73c/88551475072.pdfIn PDF document text
- https://horizontire.com/userfiles/file/zokuwuwi.pdfIn PDF document text
- http://vinacafe-dalat.com/Images_upload/files/dijoz.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/56212585770.pdfIn PDF document text
- http://paradisetourkorea.com/FileData/ckfinder/files/20210902_62A0C8F1B94804C1.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/zibigamosabogipiko.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=watch+wolf+of+wall+street+full+movie+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_off0000b6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6C4 | 10744 bytes |
SHA-256: 671ee613d355aaf36bdbf248c2019f0e0e4444985c965191185822f326ee0c45 |
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font_01_sfnt_off0000cf95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF95 | 17044 bytes |
SHA-256: 011b0efae951eb11045ad3017f63b9bda48b10a6bca028d46e5a2580db31374e |
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font_02_sfnt_off0000fb43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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