MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the PDF contains numerous links to disposable hosting, suggesting a link farm used for phishing or malware distribution. The embedded URLs, such as https://pistant.ru/uplcv?utm_term=descargar+teclado+del+real+madrid+para+android, are likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 https://pistant.ru/uplcv?utm_term=descargar+teclado+del+real+madrid+para+android PDF link annotation
- https://hophamthaibinh.com/upload/files/wexegobewujojibabijeg.pdfIn PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/22986096009.pdfIn PDF document text
- http://ensky-chemical.com/upload/files/ponuzidojagutaf.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/kakaxufepa.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/titekoju.pdfIn PDF document text
- http://avtokapriz42.ru/userfiles/file/54368493447.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/peridenafosonur.pdfIn PDF document text
- http://theheavent.com/userfiles/files/nabamefoz.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/31333902005.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/vexinenarare.pdfIn PDF document text
- http://asfalon.com/__files/file/18303701749.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/guvanumasoletasodivo.pdfIn PDF document text
- http://filippodelvita.com/demo/userfiles/file/wanujumeregalenazis.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/fikefonarubo.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613947348dda4---78318986077.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/17337667700.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/fowanazis.pdfIn PDF document text
- http://viettranslators.com/webroot/img/files/zunobelexirinukedawukiri.pdfIn PDF document text
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vikirubavex.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/padodawezegunigulav.pdfIn PDF document text
- http://hoachattn.com/image/files/soluzesuxozikoge.pdfIn PDF document text
- http://czernavendeghaz.hu/admin1/file/sagititegivugomijijewip.pdfIn PDF document text
- http://pm-ural.com/uploads/files/44848472181.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/silam.pdfIn PDF document text
- http://e1pl2.nazwa.pl/busy/fotki/file/93596084185.pdfIn PDF document text
- 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_off0000c134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC134 | 20724 bytes |
SHA-256: 021fc4a656a831b079afea49d46c8eeb93181b00546be7352b29231abff3c27e |
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font_01_sfnt_off0000f635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF635 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4C | 10856 bytes |
SHA-256: 1e19033a0b4fb6d161e193f5f71fc617bfb28265b9430d8f1f410d3484c9c3d3 |
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