Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b62dd683aec46a1…

MALICIOUS

PDF

71.7 KB Created: 2021-10-30 12:10:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: f7085e372f4b26be9a40ec51d764d9c1 SHA-1: b8d5a05923131905bf979e91856cff54fea1a8cd SHA-256: 2b62dd683aec46a1997468e41a598919644617e291594c917694879265422e61
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/87734557397.pdf In PDF document text
    • https://alquimia.in/admin/fckeditor/editorfile/90980522154.pdfIn PDF document text
    • https://vanchuyensahara.com/site/files/lixotakimetun.pdfIn PDF document text
    • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/6f7104a7b5d3c7fdc7ce55a068bbbe1e/mimajopipanowebi.pdfIn PDF document text
    • http://tns-china.cn/editor_upload_image/file/musid.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16179caf195673---fanategori.pdfIn PDF document text
    • http://ahaadesign-com-tw.sales-frontier.com/ckfinder/userfiles/files/titexivapajowim.pdfIn PDF document text
    • http://buyyoutubelikes.com/ci/userfiles/files/22707776967.pdfIn PDF document text
    • https://shidoremicrosys.com/media/jitarisumetinakuloribewer.pdfIn PDF document text
    • https://tattica.byespresso.com/app/webroot/files/upload/files/49783209390.pdfIn PDF document text
    • http://apicn.net/upload/files/35425374479.pdfIn PDF document text
    • https://inprovitparaguay.com/ckfinder/userfiles/files/venovaxipakikunafad.pdfIn PDF document text
    • http://xn--80adib9cjd8a5e.xn--p1ai/i/upload/files/26342951092.pdfIn PDF document text
    • https://pro-biomed.com/admin/userfiles/file/tapuxexazapubudinufomagi.pdfIn PDF document text
    • http://dintainoodle.com/uploads/files/fujuvoripefasavet.pdfIn PDF document text
    • https://giaphutelecom.com/tctt/sites/aaa/file/dunelikopumexut.pdfIn PDF document text
    • http://aedjtj.pretty-match.com/upload/files/tikonewuvivunokokof.pdfIn PDF document text
    • http://blfimmobiliare.com/userfiles/files/54263681221.pdfIn PDF document text
    • http://musicandyouapp.com/webupload/editorimg/files/susesanijevoz.pdfIn PDF document text
    • http://veterina-hrib.cz/user-uploads/files/67642902177.pdfIn PDF document text
    • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/88791845543.pdfIn PDF document text
    • http://imobilestore.de/userfiles/file/tigirefagutotoloteronuli.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/UsNeCLCzgYg/uplcv?utm_term=bppv+causes+and+treatmentPDF 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_off0000b888.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB888 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d09f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD09F 10636 bytes
SHA-256: dd9f1410deb3ed8524a8133e4badc911498a408094f1fead4199ab563c5ea8af
font_02_sfnt_off0000e907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE907 16008 bytes
SHA-256: f6db6516cef99f49a6af5531725bca734cae6fc9d9cf990a6c29abf0b670efe0

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