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://wastran.ru/uplcv?utm_term=outlook+365+web+app+login+page PDF link annotation

  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/72946e48341596ddb7acaf515469c589/dekixer.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/xitaxowejalukezasaderade.pdfIn PDF document text
  • https://rugerwafers.com/demo/ruger/beta/userfiles/files/28210879838.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/22638481644.pdfIn PDF document text
  • http://tasarimak.net/ckfinder/userfiles/files/rajodokabutane.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/d11eea5256c52cc776d0b8eb1c7fdb72/15295214457.pdfIn PDF document text
  • https://arerp.kr/data/file///jijudumodapimagubu.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc1aef3593---76112056922.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/eb24b762f7d6cf9071bd7e527f5793f2/mudelaputiwopur.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210718_05EA5EBE38C4D5A8.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/rujobofuzegasorurumaji.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c42376c1415---54624195717.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/28f7023483eb07bf30c6e6c42b96802a/xosixurejojanox.pdfIn PDF document text
  • http://patp1ryb.ru/media/file/79052782734.pdfIn PDF document text
  • https://nadinerogger.ch/userfiles/files/64713739686.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/55938931133.pdfIn PDF document text
  • https://beldapin.com/calisma2/files/uploads/15506834812.pdfIn PDF document text
  • http://breakevenpoint.pl/uploads/editor/file/60562328028.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2107260333542553840svdgk.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/aca92c3666f8c1bf16ac15964b86ee70/kagar.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/65184835093.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f05bf8ea895---zevajebipirafovokefagogup.pdfIn PDF document text
  • http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/ledewodipopes.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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