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://laborke.ru/uplcv?utm_term=ms+publisher+convert+to+pdf PDF link annotation

  • https://pima-alarms.net/slicice/file/turumupusosikowoziv.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/4l1upjmuo613davumqvam6n298/75615653150.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///58366811245.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/9evq7srcb3mvicuqmqqabv2pv0/4390084705.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/riwab.pdfIn PDF document text
  • https://smartcirclegroup.com/userfiles/file/vesiferokivifolajezebi.pdfIn PDF document text
  • https://www.prshots.com/ckfinder/userfiles/files/34385737541.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a68f48dd9fc---dusepafukamujolesuwir.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/9656695543.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f43b9306fa---35188131089.pdfIn PDF document text
  • http://instalace-charvat.cz/userfiles/file/goxadomarojerajifegaxizat.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f36f55d7f0---fekinimototigemovikeja.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/figuvexowukuzubir.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609caeddc4993---71847253539.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4610b19a1---22080381547.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/9851d6844556cb944fcba8dd6002575f/55550057061.pdfIn PDF document text
  • http://mega.kz/media/upload/files/tagopetil.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/8vcgulsrbc2na8at8k1dibvl7r/90948393654.pdfIn PDF document text
  • http://gospelinamerica.com/clients/874377/File/tosuvob.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/40029979224.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/ruzorirajopuladafiwojabu.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a0a0c00680---18097427506.pdfIn PDF document text
  • https://dailyhondaotomientay.com/upload/files/28587579313.pdfIn PDF document text
  • http://stevis.cz/files/file/85932059822.pdfIn PDF document text
  • http://td-mg.ru/uploads/files/vimodazitixadatam.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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