MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm on disposable hosting, with numerous links pointing to PDF files, suggesting a download lure. The presence of a 'download button' heuristic further supports this. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bestofbeer.ru/ckfinder/userfiles/files/rubuwodedejov.pdf In PDF document text
- https://muachungbaohiem.com/uploads/userfiles/file/moxetenurunewusorujamar.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/62171631662.pdfIn PDF document text
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/mekatutomij.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/54505479590.pdfIn PDF document text
- http://fortwashington.abwingsmd.com/uploads/files/rugitevifogojanataga.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/xuvagonumojudarejewaje.pdfIn PDF document text
- http://lifecontinues.ru/images/files/fudapugusurinojijoxefer.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/10734371269.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/5946474092.pdfIn PDF document text
- https://simpangkanan.com/contents/files/dunupa.pdfIn PDF document text
- https://cfbadalona.net/ckdata/files/93549485146.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/33263329306.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/30073313933.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/41822951659.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/8508895598.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/jpo34et4h8kuqi1m1aj4d26h5k/talijojipusuxudujoda.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/59626097220.pdfIn PDF document text
- http://dsfly.com/uploads/files/watukux.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/bananuwofuxidu.pdfIn PDF document text
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/64738756328.pdfIn PDF document text
- https://ferado.vn/userfiles/file/12470621967.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/16537268266139c59d04e74.pdfIn PDF document text
- https://5a.ro/ckfinder/userfiles/files/86231359623.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/84922185600.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=cyberpunk+2077+android+themePDF 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_off0000e8ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FF | 19732 bytes |
SHA-256: 2af8141407c6801ca282130da45515f4f5d39f6d79815b8466d15737ebd70d68 |
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font_01_sfnt_off00011cd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134EF | 11212 bytes |
SHA-256: a109bff16096c8cfa9f2de26ae488e0f6fef98007248e7a18f2990cd71666fa7 |
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