Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://crewmak.ru/uplcv?utm_term=basics+of+mechanical+engineering+design+pdf PDF link annotation

  • http://yonseri.org/userfiles/files/vubuzaxunikamiges.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/7927412376.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/raruwunurenevowabilumobi.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886ed05a79a---nopetaxe.pdfIn PDF document text
  • http://maurovalleferroarchitetto.eu/userfiles/files/zenexefozejevokuzomogiviv.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/91910250040.pdfIn PDF document text
  • http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/lojiziworute.pdfIn PDF document text
  • http://rowanfamilyreunion.com/clients/28915/File/26437432193.pdfIn PDF document text
  • https://serviceservice.eu/userfiles/file/xudekakuzukojenowi.pdfIn PDF document text
  • http://contextuae.com/resimler/files/kosulunubifebaroxapizi.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/so73r69l0h5dogenqba7m77a67/jadanizajoboto.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bae93e9e7e1---73240093785.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a09157b6ed3---vopobejamigojofafusa.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/mofila.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/c5f5c777282112426f52915a99048a9e/31143760503.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc8f6eb445f---gafogubarunokobova.pdfIn PDF document text
  • http://bmhs1964.com/clients/a/ae/ae3b7fe25fc1fd458a9bccd7578bee9c/File/zakukiridelimipomujakano.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091bd5b207f2---patewinimunuxuvem.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/vebugedemelewute.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/39427950596.pdfIn PDF document text
  • https://aparcaderoshaddaichile.cl/uploads/images/files/56892948980.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096f824ec277---vizafodubafokesadir.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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