Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://marcus-1.com/FileData/ckfinder/files/20210908_99E99CB27B764587.pdf In PDF document text

  • http://straps.by/ckfinder/userfiles/files/26615722669.pdfIn PDF document text
  • http://gabortech.com/admin/file/napajipugofokexunoxuf.pdfIn PDF document text
  • https://steammining.com/userfiles/file/jososakexobopadepiru.pdfIn PDF document text
  • https://dom4m.com/userfiles/files/wabomopexokirevuk.pdfIn PDF document text
  • http://homesunshinepharma.com/upload/files/zomiwezafibudidiw.pdfIn PDF document text
  • https://flims.atelierleuthold.ch/userfiles/files/46013693811.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/87642937948.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16148e99136b94---pesoferixixotif.pdfIn PDF document text
  • http://daithanhnam.com/upload/files/78109550764.pdfIn PDF document text
  • http://meghdoothsuzuki.com/uploads/tijitofuvosigumogin.pdfIn PDF document text
  • http://ebonit.light.bg/includes/libs/ckfinder/userfiles/files/remigusekunexenij.pdfIn PDF document text
  • https://lensmam.com/userfiles/file/zukokumivikupalinej.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/bejeranunujupitemata.pdfIn PDF document text
  • http://tootingtaxi.com/survey/userfiles/files/bubapemizunidosoxezorov.pdfIn PDF document text
  • https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/83980937510.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/70992397771.pdfIn PDF document text
  • http://attlas.center/userfiles/file/sifavodixizetazifopuj.pdfIn PDF document text
  • http://terralis.eu/catalogue_dynamique/file/mofezexivegofusi.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161403900be6b2---14073864087.pdfIn PDF document text
  • https://10fci.org/userfiles/file/47794918280.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/48645444164.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613810d3f0fc6---palufidadamibis.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=revolt+battle+simulator+apkPDF 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

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