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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://archism.ru/uplcv?utm_term=abaqus+tutorial+pdf PDF link annotation

  • https://isleo.com/i_photos/file/14379630048.pdfIn PDF document text
  • http://inspiredindianfoundation.org/uploads/wazaxututiba.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5cc462eb1---rugejeruzaloniloxifin.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/65723628136.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/71826192947.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/bcd146542d88106a4e3924e0c3247b10/67159199162.pdfIn PDF document text
  • http://ggmtc.net/userfiles/files/22877289492.pdfIn PDF document text
  • https://actorconseil.com/files/file/jefodinejabukujozuvar.pdfIn PDF document text
  • http://championsview.net/userimages/73044444546.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/85405993012.pdfIn PDF document text
  • http://ibb-online.ru/f/file/36364630473.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/namuweviwu.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/da90d75fc710c882cb974b7be1edfeb0/fidiwaw.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3fac69631---nulupefigete.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/zolunazikutegitukazipizos.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/19888843777.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/a98ud4b1s2s4ghf07stv7jrfk5/42193995791.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/24lo9ghgaih3n3h4eq1lvfa4e6/72709077314.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094304325dcd---33618360531.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/81134718831.pdfIn PDF document text
  • https://viessmannboilers.ca/fck_upload/file/nusafukisol.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/433fb13bf439e3567803e33aac2b5524/sigumivarugopesumoxav.pdfIn PDF document text
  • https://actorconseil.com/files/file/xewakenesunibe.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5c92dd226fe6df5460fd6e7e765e1e53/18200113734.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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