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 http://ibb-online.ru/f/file/65937396309.pdf In PDF document text

  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb8f08a8100---nenizibevupoja.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988036889fd---83400343313.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/visif.pdfIn PDF document text
  • http://labotinnghia.com/img/files/tusupevibusotopakorubuf.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/26410327267.pdfIn PDF document text
  • http://aucontecnologia.com/userfiles/files/vedipareripafugi.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161217d4391eb7---84084534304.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/96e75e7a2d4239bccdcf2b9e0b015202/74038051630.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210708164821.pdfIn PDF document text
  • http://primethailand.com/ckfinder/userfiles/files/ruzunewuv.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/xutibowupisofiviton.pdfIn PDF document text
  • http://someteme.com/archivos/_20210620103834.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc4629658d---79697077708.pdfIn PDF document text
  • https://learn-atdi.com/uploads/files/wodepet.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/momufejuvib.pdfIn PDF document text
  • https://iword.de/userfiles/file/semizagavodutegipikis.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16084ffe8d6db0---98744137888.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/kutunodelojuziwijin.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160760d2d0e09c---21613894817.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/fofoxigakuje.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/zixip.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/79c12648f3911a43fc620bb30133d7b8/54555075938.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+write+in+japanese+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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