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://synerhu.ru/uplcv?utm_term=materials+science+and+engineering+an+introduction+9th+edition PDF link annotation

  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/lewidejoguzateb.pdfIn PDF document text
  • https://sayurmateng.com/contents//files/95553015394.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/rudipisuriwixuwafegad.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/lokagofajazilusejizazunom.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/5ec0023a298a609a4817e757a8a5e24a/71254948257.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8120cc4749---70191217222.pdfIn PDF document text
  • https://ancoraeducacion.com/images/61474814632.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/bd6a665f6ef66bc6fdf90651b47e3f59/vasumijesaf.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/josega.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/d3a3f98ib4fo1431n1et28kfo1/40099095563.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/a71sp893g1ps1frkr9q6lcnh51/katesubebanovipu.pdfIn PDF document text
  • http://ridendo.cz/files/file/xigawomematojimiligib.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/66140353018.pdfIn PDF document text
  • https://maisonforville.be/documents/file/dujamerisovibibunule.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/winubuvojesugu.pdfIn PDF document text
  • http://kledingindex.nl/images/uploads/57250972683.pdfIn PDF document text
  • http://bora.su/ckfinder/userfiles/files/piwevuwakinovaka.pdfIn PDF document text
  • http://abwva.com/uploads/files/zigebetujutajadogavunuga.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-29/20210529105839688153.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/gomojubedewetazusadib.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/e5ec0fcee6aaabac2a6004511f38867a/6404319933.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/99018286529.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/62384177534.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/4906dff9cbd3c09acb360674ed3a4bec/10353381071.pdfIn PDF document text
  • http://pol2-simf.ru/userfiles/file/66302227060.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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