Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6771cee868d891…

MALICIOUS

PDF

365.8 KB Created: 2022-03-17 20:04:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 31708466bcf5e3d02debc466870b91b7 SHA-1: 2f24b8b845146f47ecbaf0d9a8338b0963332bde SHA-256: 2b6771cee868d89123ae8c8f6f82a6f9fe16d842d28a94cec3c50e89935ed06f
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7036

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://sunuf.co.za/XSRYdR1H?utm_term=body+parts+matching+worksheet+pdf PDF link annotation
    • http://fotografoenricogiampieri.it/userfiles/files/vesiriju.pdfIn PDF document text
    • https://xn----7sbbzeackusl5afk8czi.com/admin/kcfinder/upload/files/fakozuzin.pdfIn PDF document text
    • https://oktatas-konyveles.hu/term_extr/files/tewadofozuwij.pdfIn PDF document text
    • https://www.drukwerkmax.nl/public/admin/assets/global/plugins/kcfinder/upload/files/55014162489.pdfIn PDF document text
    • http://uteambio.com/upload/files/zokugagagovunizo.pdfIn PDF document text
    • http://olech-rzeszow.pl/userfiles/file/vukuxelomovebis.pdfIn PDF document text
    • http://studiodebiaggi.eu/userfiles/files/46628536557.pdfIn PDF document text
    • https://wroclawmodelshow.pl/ckfinder/userfiles/files/gebaxifarewunep.pdfIn PDF document text
    • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16209a0069d46b---57977640797.pdfIn PDF document text
    • http://dkmmotor.com/files/userfiles/file/wesig.pdfIn PDF document text
    • http://gulfapex.com/uploads/file/94518754117.pdfIn PDF document text
    • http://agisinfo.ru/uploads/content/files/rurez.pdfIn PDF document text
    • http://chocoenglish.com/_UploadFile/Images/file/66207542660.pdfIn PDF document text
    • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161f8723ce5419---35730737773.pdfIn PDF document text
    • https://tiger-security.net/webroot/upload/files/ridazabi.pdfIn PDF document text
    • http://clickvay.com/upload/files/74928317416.pdfIn PDF document text
    • https://steyr-mannlicher.hu/admin/kcfinder/upload/files/vevipexaj.pdfIn PDF document text
    • https://medicraftindia.com/uploads/file/94757218710.pdfIn PDF document text
    • http://ilink.pl/userfiles/file/buroledobavoxil.pdfIn PDF document text
    • http://consorzio-csa.it/userfiles/files/23488488354.pdfIn PDF document text
    • https://ppic.net-line.pl/www/js/kcfinder/upload/files/94417503955.pdfIn PDF document text
    • http://anexbd.com/assets/ckeditor/kcfinder/upload/files/nivujokalofavirujov.pdfIn PDF document text
    • https://www.yamanosake.com/js/kcfinder/upload/files/52689400263.pdfIn PDF document text
    • http://robwalker.net/fckupload/file/givunirowemonusijili.pdfIn PDF document text
    • http://ns1.ringome.com/app/webroot/upload/files/97224898900.pdfIn PDF document text
    • https://aramlasmerok.hu/uploads/file/zutevawanagijadibaz.pdfIn PDF document text
    • https://stpm-sa.com/userfiles/file/gidax.pdfIn PDF document text
    • https://saksisan.com/upload/ckfinder/files/44324010301.pdfIn PDF document text
    • http://gs-metals.com/filespath/files/20220201234354.pdfIn PDF document text
    • http://faradtvandor.hu/picture/userfiles/file/75509362259.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_off000543fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x543FD 11364 bytes
SHA-256: 506c04af4d583a5b47cd0ccd4df63f17e125fd9a2c1cde53210d83336174924e
font_01_sfnt_off00055e8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55E8C 18744 bytes
SHA-256: 53656dea4ee8af88e723507cd3ba89de6ddfefa412861eee68295425eb2d8d2b
font_02_sfnt_off00058fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58FD6 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9