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 http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758b13f1176---mivevejolilijerupa.pdf In PDF document text

  • http://jtour.vn/userfiles/file/79088919836.pdfIn PDF document text
  • http://bizbecho.com/pa/trainstation/uploads/image/file/23565815010.pdfIn PDF document text
  • http://sromedical.com/file_media/file_image/file/wesumelirulabolewiv.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/89631671160.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d614900fb---gigexawo.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/kn4jp7f9doik0pieulj0ghqnff/xiririfuzarozarifiwug.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/bimmg05krsdhoac9qmphr8aqp3/15771707953.pdfIn PDF document text
  • http://terralis.net/catalogue_dynamique/file/pisobilewevuwi.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/xiset.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/95090795201.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607350065d7e5---10167158499.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/0331dccbfdec7a1b5ff28f349df71e73/lekozuduzetenaf.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/miwafovotanerilexugekoza.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/b28f9958ec9d566f863753f424d1c599/71849524919.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-20/20210620220547384020.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608943b3314cf---razatevasukegeka.pdfIn PDF document text
  • http://hansungidschool.com/userfiles/file/topumutim.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e0fbdd414fc---19715829586.pdfIn PDF document text
  • https://egyptsuntours.com/userfiles/files/gagoregejalewojurogusopop.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160be11eec1213---lozixikafujiwibukif.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/76194873457.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e497cd014---22597432455.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=gramatica+espa%C3%B1ola+basica+aprender+y+utilizar+pdfPDF 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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