MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external links, with many pointing to unknown or potentially malicious domains, suggesting a link farm or phishing lure. The presence of multiple PDF-specific heuristics, including external URI and link farm indicators, further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://coevent.ru/upload/files/pezeteti.pdf In PDF document text
- http://www.39koratmachinery.com/file_upload/files/nerepeforipunilagaxa.pdfIn PDF document text
- https://www.abandassociates.com/ckfinder/userfiles/files/74615047450.pdfIn PDF document text
- http://przystaneknida.pl/data/aktualnosci_imgs/file/nituvowat.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/45471731327.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/pidumufo.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/vuvekejapu.pdfIn PDF document text
- http://jar-ted.pl/file/taraberamabubofizomet.pdfIn PDF document text
- http://csc0516.com/userfiles/file/20210911075531_ltdz4a.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/jso5qrlv7hm9485dnl1afo1fm7/podupekuropozalujumanak.pdfIn PDF document text
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/gedisizal.pdfIn PDF document text
- https://soenen-pneus.com/upload/file/44873127151.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/norekavowubiwuranafu.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/pufovajede.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/161381eb6b5400---45026214635.pdfIn PDF document text
- https://emartdeko.pl/galeria/file/68552714592.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/gisifatofafumapidev.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/36164830267.pdfIn PDF document text
- https://resortweeks.pro/userfiles/file/69509157362.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/97337263527.pdfIn PDF document text
- http://scea.edu.mn/ckfinder/userfiles/files/1320394552.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/pisufeluxikixowejagave.pdfIn PDF document text
- http://georgewongdesign.com/gwd/upload/files/taradi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=miui+12+how+to+change+notification+panelPDF 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_off0000c5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5F6 | 10840 bytes |
SHA-256: ba98cfd21513b01b4e7d4aed8ee556565dc56cf83d000608c11fc4b27e8901d9 |
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font_01_sfnt_off0000df1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1F | 17716 bytes |
SHA-256: af58d2200a93a1f2ca25a7eb9659561aa7cf165f7d846c50de19d8f908420fca |
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font_02_sfnt_off00010c97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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