MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with a high-confidence heuristic identifying it as a link farm on disposable hosting. One of the embedded links, http://studiomedicoveterinariobellucci.eu/userfiles/files/zoridafitedakanobo.pdf, is flagged as a random URL. The ClamAV detection and ML classifier also indicate maliciousness, suggesting the document is intended to lead users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/86042617702.pdf In PDF document text
- http://aeronautike.com/userfiles/file/sobuvilojuxarigove.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/25458900278.pdfIn PDF document text
- https://mihalex.by/files/files/nevekewajo.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/34782520622.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles/files/galepo.pdfIn PDF document text
- http://studiomedicoveterinariobellucci.eu/userfiles/files/zoridafitedakanobo.pdfIn PDF document text
- http://rakkhunnursinghome.com/user_img/files/63212343297.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/pufajiwut.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/66936195625.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/62863334538.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/90700046745.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae0469669f---zonebasirujaziverufefi.pdfIn PDF document text
- http://fulns.com/uploadfile/fckedit/file/1632198344d4nv.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/52703695137.pdfIn PDF document text
- https://harmony.im/userfiles/file/18984791431.pdfIn PDF document text
- http://ntweac.edu.hk/admin/ckfinder/userfiles/files/6690648440.pdfIn PDF document text
- http://remaining-mc.de/userfiles/file/natili.pdfIn PDF document text
- http://weforyou.it/userfiles/files/22223096938.pdfIn PDF document text
- https://ocw.tw/uploads/files/tufusuwavu.pdfIn PDF document text
- http://fioredda.com/userfiles/files/fufezex.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613925a9e44b9---wuwivadixidaja.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/kinefinixipu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=five+go+to+smuggler%27s+top+read+onlinePDF 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_off0000b9c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9C2 | 10912 bytes |
SHA-256: 4483fd7400f34b4e7e5a0007621934ee3e2734197e0b2f699dc8eefe9fd44bd7 |
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font_01_sfnt_off0000d2de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eaf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF0 | 17872 bytes |
SHA-256: 788db1cee786780a003d36ab11ab6aa8ebfd5743abb617cd6a4793244330744d |
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