Malicious PDF — malware analysis report

Static analysis result for SHA-256 478392be610170f1…

MALICIOUS

PDF

76.9 KB Created: 2021-11-18 00:58:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: c5ae7bd6fd22da60ac32c2c51750ff63 SHA-1: 94694ea8e35f1f22bc72fa09635ba6c13b61e207 SHA-256: 478392be610170f1fe9146fc4ffcfcd5d1826beea4c68cb32a93fb4a8a98d70c
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://easresidence.ro/app/webroot/files/userfiles/files/73647331453.pdf In PDF document text
    • http://kondicionery-himki.ru/upload_picture/file/kibotorigifezafuzoma.pdfIn PDF document text
    • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/5jbkenq2jmqekej0qhjoimvngs/tegutenedapo.pdfIn PDF document text
    • http://wwstationery.com/files/file/19852663482.pdfIn PDF document text
    • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/79544246096.pdfIn PDF document text
    • http://jamalcar.com/userfiles/file/nifabugasedazid.pdfIn PDF document text
    • http://iiiemjobs.com/FCK_Editor_Images/files/32918016673.pdfIn PDF document text
    • http://csc0351.com/userfiles/file/20211102174910_3skt0y.pdfIn PDF document text
    • http://oawebserver.com/piceditor/file/piwimewowexidi.pdfIn PDF document text
    • http://beamstraffic.ae/amb/userfiles/file/pugeg.pdfIn PDF document text
    • http://standdominica.org/files/files/jonedunefawivifudojosowe.pdfIn PDF document text
    • http://kunjipsc.com/uploads/files/tefadelomomakukogimuxinex.pdfIn PDF document text
    • https://kimcert.com/E/file/24072348810.pdfIn PDF document text
    • https://kmedebiyatgunleri.com/ckfinder/userfiles/files/37208948666.pdfIn PDF document text
    • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400653a5080---47989758999.pdfIn PDF document text
    • https://maggievanostrand.com/uploads/media/file/kuluxozekefasalanexosa.pdfIn PDF document text
    • https://exam10.menapoint.com/app/webroot/upload/files/74537246110.pdfIn PDF document text
    • https://ceylanotel.com/firma/files/7453733972.pdfIn PDF document text
    • https://forssah.co/userfiles/file/nogub.pdfIn PDF document text
    • http://farmaciafasolis.eu/userfiles/files/nenufelew.pdfIn PDF document text
    • https://fundacjacat.halpress.eu/userfiles/file/rezal.pdfIn PDF document text
    • https://profitaler.com/UserFiles/file/95974297412.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/7xhmvLXWVJc/uplcv?utm_term=electronic+commerce+actPDF 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.

FilenameKindSourceSize
font_00_sfnt_off0000c63a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC63A 19068 bytes
SHA-256: 4597edaee73e98e8da83dcf9df36080cea956f477b45b0c6dde61c3fc9ec26cc
font_01_sfnt_off0000f876.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF876 10204 bytes
SHA-256: a74bfead12fdeb10e5ea388ae6a7e0a7c3c22e97cf99d5b8b496daeb211de460
font_02_sfnt_off00010f46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F46 16540 bytes
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef

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