Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6077a20006d7d6…

MALICIOUS

PDF

75.9 KB Created: 2021-09-16 22:55:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 62a4b831344e6363bad6834218763cc6 SHA-1: c0efdee93278d31f3801f19d4b1908d96c55da13 SHA-256: 2b6077a20006d7d6537adbc7f2f17f38175155c08f23b56518f944a66bf34aed
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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://catamma.ru/uplcv?utm_term=nds+for+droid PDF link annotation
    • https://taucaotoccatba.vn/images/news/files/9958218977.pdfIn PDF document text
    • http://imoroz.by/upload/file/faroxowefawisimatimifiv.pdfIn PDF document text
    • https://alternativi.brtim.com/uploads/wysiwyg/files/81468080880.pdfIn PDF document text
    • https://cheesykeju.com/contents/files/29876580648.pdfIn PDF document text
    • http://ghettaetamionarchitetti.it/userfiles/files/polopuxanelule.pdfIn PDF document text
    • http://taiwangallant.com/uploads/files/202109041738231718.pdfIn PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138a1e242946---gezawewatoxekoluli.pdfIn PDF document text
    • http://hanyangsteel.com/files/fckeditor/file/18848426696141cb9779230.pdfIn PDF document text
    • https://tiemhoamo.com/data/dulieu/files/27013772558.pdfIn PDF document text
    • http://ohxto.com/uploaded_files/userfiles/files/11484344075.pdfIn PDF document text
    • https://livbiopharma.com/userfiles/file/61897541038.pdfIn PDF document text
    • https://tonerihned.cz/userfiles/file/tebomokub.pdfIn PDF document text
    • http://peknanevesta.sk/media/file/duzarebanab.pdfIn PDF document text
    • https://btegypt.com/file/kibosax.pdfIn PDF document text
    • https://samajsutra.com/userfiles/files/bopuxaju.pdfIn PDF document text
    • https://secolink.sk/userfiles/file/62780966150.pdfIn PDF document text
    • http://goldenteriyaki.com/uploads/files/togazumevubovodi.pdfIn PDF document text
    • https://dabanbep.tanglehadong.com/upload/files/62694019786.pdfIn PDF document text
    • https://lecormier-menuiserie.com/www/upload/files/90527174385.pdfIn PDF document text
    • https://viessmannboilers.ca/fck_upload/file/zanoxubijidupireruxaki.pdfIn PDF document text
    • http://runhouchem.com/upload/files/sifebubivufi.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.

FilenameKindSourceSize
font_00_sfnt_off0000c66a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC66A 17836 bytes
SHA-256: 1ad0721a40598bb732688612aa1851576a17b9438f8a19c994b115c46f9aee7c
font_01_sfnt_off0000f4ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4FF 9780 bytes
SHA-256: 56ae4b33de664e09ea8ed9f468543b19187e21ba5a2ca0bde256813e68dbea3c
font_02_sfnt_off00010a6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A6A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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