Malicious PDF — malware analysis report

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
• 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://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/5295e1a98a258588e5e20ae9587e282c/teliw.pdf In PDF document text

  • https://5uempat.com/contents//files/91973496181.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/51239537462.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105080849.pdfIn PDF document text
  • http://www.toeterloeh44.de/files/bazipi.pdfIn PDF document text
  • http://world-system-packet.com/userfiles/file/zopibinukomozapomotade.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e37d43c58856bb6fa905034365829f44/20914056656.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/61844015370.pdfIn PDF document text
  • http://alarmy-kamery24.pl/userfiles/file/gezisetivemusiladawigude.pdfIn PDF document text
  • http://twxcd.com/img-aim/files/fipetubiwo.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/8341059929.pdfIn PDF document text
  • https://ckd-otto.com/contents//files/lowix.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608365758d0f0---30669282625.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/domajegizetorifaxufose.pdfIn PDF document text
  • https://ka-base.no/images_content/file/30772491467.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210717_55C24CCCAE33B793.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/iapf7c1hhcqf1j2bubh4bavq04/21370256246.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/kitf94k2nj18i3opc9tn2h38pu/78523287231.pdfIn PDF document text
  • http://enslev-anlaegsservice.dk/userfiles/file/8093660453.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077045cac972---24464789405.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/26e5d9fc7b69ab28ec4aeff470a877fa/84405034070.pdfIn PDF document text
  • http://westmoorclassof1965.com/clients/5/52/52ec68f2b927accf75267cb07bfcc891/File/35617248670.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/korazigagekamo.pdfIn PDF document text
  • https://loctra.net/userfiles/file/28161580448.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606efec7a1fec---75877801259.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=install+internet+explorer+11+in+windows+7+sp1PDF 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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