Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b1cd8a6f43027f…

MALICIOUS

PDF

145.9 KB Created: 2022-02-03 18:09:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 2b2aa0320748d8dd78804241272a8c58 SHA-1: df1122ce00a06bd26f7bcc05a28228c3180a9cfc SHA-256: 72b1cd8a6f43027fd23e2a6243ae6604bf7d4178120b814cb30c2740229db4e9
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9566

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://podar.co.za/XSRYdR1H?utm_term=aluminium+potassium+sulphate+msds+pdf PDF link annotation
    • http://russkiivopros.com/images/FCKeditor/file/dosisur.pdfIn PDF document text
    • https://swagath.co/new/ckfinder/userfiles/files/85416975523.pdfIn PDF document text
    • http://kcemsp.org/upload/editor/file/zujazizirulot.pdfIn PDF document text
    • https://drproperty.in/userfiles/file/25237023879.pdfIn PDF document text
    • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613151d88946a---dijajebitos.pdfIn PDF document text
    • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/00pju2tn4p83o2ncbint9iopt6/gifopewe.pdfIn PDF document text
    • http://senvietsystem.com/ckeditor/upload/files/51926599202.pdfIn PDF document text
    • http://fsnmmaterials.com/UPFILE/userfiles/files/febokugikapo.pdfIn PDF document text
    • http://garantc.ru/userfiles/file/sobelomunazipibobodek.pdfIn PDF document text
    • http://www.rbn.org.np/public/admin/plugin/kcfinder/upload/files/12663989657.pdfIn PDF document text
    • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161d6c04122277---36320078978.pdfIn PDF document text
    • http://doremimarlikinsaat.com/userfiles/file/29068281905.pdfIn PDF document text
    • http://kaav.org/kcfinder/upload/files/nubov.pdfIn PDF document text
    • http://andezit-bg.com/files/suwijiwe.pdfIn PDF document text
    • http://asacnfservices.com/ckfinder/userfiles/files/jetekikubulugotagupuli.pdfIn PDF document text
    • http://www.verneteco.com/ckfinder/userfiles/files/jexagoritosokamosag.pdfIn PDF document text
    • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150d6f89d9d4---38866440588.pdfIn PDF document text
    • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/47828129183.pdfIn PDF document text
    • https://mobspace.xyz/web/img/podborky/files/xodinowevorujujefatike.pdfIn PDF document text
    • https://locoffice.ru/userfiles/file/fakidegom.pdfIn PDF document text
    • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f6069e7afc5---64654585837.pdfIn PDF document text
    • http://www.siscbolivia.com/admin/uploaded/fck/file/zegofoxiboxifoma.pdfIn PDF document text
    • http://portalcom-b2b.es/img/user//file/_0302103001637999090.pdfIn PDF document text
    • https://planbmedia.hu/files/xurametix.pdfIn PDF document text
    • http://sztarmedia.hu/_user/file/woxikafewukirovu.pdfIn PDF document text
    • https://autonoleggioassereto.com/file/92562741454.pdfIn PDF document text
    • https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/12867251364.pdfIn PDF document text
    • https://ankaratutuncu.com/panel/kcfinder/upload/files/seruzifuzuwizenoxe.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_off0001dc87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1DC87 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0001f3a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1F3A7 10744 bytes
SHA-256: 901b442cd09720746ec587a49115e43946e3888f167a953f2e98040f3dbdf8fc
font_02_sfnt_off00020c1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20C1E 17256 bytes
SHA-256: 8618cd1bf7e79a562f704fbcde4d84661dc1ffd6815129d3224f0af6badc6ae4