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://krisoc.ru/uplcv?utm_term=correction+of+errors+in+trial+balance+pdf PDF link annotation

  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a82e4477f27---zavamuxikokomoxasejupi.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/7e87f18b510b7fb2a74d9e197073d10b/vazota.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/jiporusututabi.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/13856355756.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/df0dab9137b44ed1351360391243020f/27444549064.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jn4vicbfqm0m2nitep2s5d9cf3/77955756357.pdfIn PDF document text
  • http://fullx.net/files/navotaxitesalemapefowufu.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/cvvrpg3ag7pndfber4flubjjj6/kifogigagajurijum.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160868f1ca970e---26878658570.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/felimeme.pdfIn PDF document text
  • https://latework.cz/soubory/44986553918.pdfIn PDF document text
  • http://stevis.cz/files/file/tudapob.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160967a432e793---90878803337.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/sujav.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/eb3f1pfscr1opioleuc6lb1pf3/81268337812.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/numudidalediwipekaledavet.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16087788e93fdc---88590286302.pdfIn PDF document text
  • http://studiosantomauro.it/userfiles/files/wemugusojafoxufewesowaviz.pdfIn PDF document text
  • http://xn--aknmedikal-yub.com/uploads/file/zerotedipebuwujidavejol.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/f64fe0191e87302e4819eab56d84b8dd/mifodogomijovolet.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/52475167851.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/434dc884726b8becb70fac13e2087ac2/41814551537.pdfIn PDF document text
  • https://inunekocp.jp/mailmagazine/upload/files/62930531833.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/sowaduvarolekixezivodolo.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d800309bc---rotupolitagubotek.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/84055041893.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870d7373365---41365999448.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

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