MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to disposable hosting, characteristic of a link farm designed to redirect users to malicious sites. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a high volume of links on potentially untrusted domains, suggesting an attempt to obscure the final malicious destination or distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://synerhu.ru/uplcv?utm_term=best+games+on+phone+to+play+with+friends PDF link annotation
- http://adec-interiors.net/Uploads/file/tewofavopunew.pdfIn PDF document text
- https://fobh.net/userfiles/files/49130071358.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/71960101166.pdfIn PDF document text
- http://lynxitservices.com/ckfinder/userfiles/files/jivurafelonipegon.pdfIn PDF document text
- http://tetraeng.it/userfiles/files/lususoxizosexebedojikizoz.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16148ef9982ccc---jexesexowoxofaz.pdfIn PDF document text
- http://kmbb.at/userfiles/file/repamijepogoxazuwapobu.pdfIn PDF document text
- https://music-group-store.com/upload/files/53444267925.pdfIn PDF document text
- https://nstyapi.com/resimler/files/rulusazipavi.pdfIn PDF document text
- https://ihappywash.com/uploads/files/202109041651345778.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/bofirigijavitulifewelad.pdfIn PDF document text
- http://toanlinh.vn/upload/files/xosonafafus.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/70162944032.pdfIn PDF document text
- https://miet.hu/kepek/60359384558.pdfIn PDF document text
- http://telecycling.info/files/file/19416694219.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/levowoxak.pdfIn PDF document text
- http://studiolorenzoni.eu/userfiles/files/jamuniluxusewibade.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/28656983635.pdfIn PDF document text
- http://pjzhengwang.com/upload/file/20210909_164728_166.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/vamufuzefezemamijutix.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210911_70EE563EDB48C75E.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/bububibimodoxupotuj.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/daridoxo.pdfIn PDF document text
- https://rosettes.it/userfiles/file/18822460418.pdfIn PDF document text
- http://aqua4you.hu/userfiles/file/popelibafaporedazedovekit.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/punegep.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_off0000db84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF396 | 18428 bytes |
SHA-256: f0a021a90b680c0300b520bc3d4b955b8feba2836f0b20645974e862e48e63bc |
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font_02_sfnt_off000122dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122DC | 11200 bytes |
SHA-256: 2a5f0e1b0dfce8c31b8fbfafaf896e4361a912285c2a59940b657cd3d7cf6cf8 |
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