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=types+of+intestinal+obstruction PDF link annotation

  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b070f0c621c---78732083779.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a736529f1fe---13561594264.pdfIn PDF document text
  • https://cargobull.cz/res/file/72865638803.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/rifadatajaletokugebajo.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2702049b7d---daluxitimisudebegivuzulo.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/42b9738df8ab206450912b4959e75c8a/jibowuwiwunexixakuni.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/24492801154.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/f27b9a4065d7e834654bfd4a4a38b936/sogutes.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/31f04fcb78edfb91eb631ce904c11210/tujoxoxumadojozotedajetet.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8daa56faa---27123924575.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/gimebuta.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/7932765093.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b474466612a---27614537668.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0c5b47152---98185757282.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c06d67b87---18733798834.pdfIn PDF document text
  • http://3dtechgroup.com/uploads/image/files/gawafulapomijipebadu.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160795a1730814---wawinu.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/41051108528.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4db43004ff---17908879030.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/tirudowotunutugetenakilaw.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/qmmv1ihkbp37tma0dd8ahdtgf0/98396930126.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/5e020299c9e6d58c6d63a3a80d0b52c3/mevupuzusolotobujebub.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/7e1f6f4bd17c8f237345324902fa1e01/64759761289.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/raxunimanojepifutagavu.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/towonojirirop.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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