Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6557be7df2b3a7…

MALICIOUS

PDF

412.0 KB Created: 2022-03-15 21:09:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 9dc8deb43f2dde26a2ab82fb2dd4d4d4 SHA-1: eb4affe669f882fd9418acf8675509697ea043fe SHA-256: 2b6557be7df2b3a763996fca54061ae0e0b2d0889a389e024a22b83d690b83bf
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6562

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://yubit.co.za/XSRYdR1H?utm_term=credit+information+report+format PDF link annotation
    • http://triomil.cz/kcfinder/upload/files/11808847426.pdfIn PDF document text
    • https://e-s-c.fr/lib/ckeditor/kcfinder/upload/files/kusojavib.pdfIn PDF document text
    • https://drproperty.in/userfiles/file/58676294710.pdfIn PDF document text
    • https://hondaotohaiphong.vn/upload/files/zakebupipoxuw.pdfIn PDF document text
    • https://www.quartzlock.com/userfiles/files/wifemolazenijaru.pdfIn PDF document text
    • https://tanhoaphat.vn/userfiles/file/79891065298.pdfIn PDF document text
    • https://pensiuneavalentina.traditionalart.ro/app/webroot/file/96118186832.pdfIn PDF document text
    • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/23825036623.pdfIn PDF document text
    • http://ds-dq.com/uploadfile/1647289609.pdfIn PDF document text
    • https://bednidhitraders.com/userfiles/file/tonadimonavezevupiraxako.pdfIn PDF document text
    • http://zvezda-rostov.ru/ckfinder/userfiles/files/21518720606.pdfIn PDF document text
    • http://amt-alarmy.pl/userfiles/file/99504934186.pdfIn PDF document text
    • http://taispacedesign.com/upload/files/15114244690.pdfIn PDF document text
    • http://aqcorth.specialty-match.com/upload/files/jabuwexizik.pdfIn PDF document text
    • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/83284069464.pdfIn PDF document text
    • http://proxima-online.it/public/file/30954450658.pdfIn PDF document text
    • http://importfoodfair.com/userfiles/image/2022/02/file/50948256222.pdfIn PDF document text
    • https://moiatakashta.com/userfiles/file/viloso.pdfIn PDF document text
    • https://aleksandria.travelshops.pl/userfiles/file/30015802812.pdfIn PDF document text
    • https://bepcongnghiepphuchung.vn/userfiles/file/76947333070.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_off0006014e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6014E 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0006186e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6186E 10476 bytes
SHA-256: 6e112ab7a05c710cbfb40d295c22d7d17d7c16b8d6e77de7756d6e82c31f7f26
font_02_sfnt_off0006302d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6302D 18708 bytes
SHA-256: cc1b6b94956ef69f52effb05e926481f1c3873df8228544a18a6e63b07c8f225

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