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://vsrru.ru/userfiles/file/22355209801.pdf In PDF document text

  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160894c5811f05---pinarub.pdfIn PDF document text
  • https://snqrsl.quebec/upload/editor/file/28145168137.pdfIn PDF document text
  • http://loveforlungs.com/clients/a/a9/a9a80f3a93b7553e0860ec1960497db0/File/patovanuvemamiwex.pdfIn PDF document text
  • https://cakesandcupcakes.net/userfiles/files/98442695615.pdfIn PDF document text
  • http://rc-modeller.se/images/file///fujaxul.pdfIn PDF document text
  • https://matrixx.lu/images/puwojopiwatukemegik.pdfIn PDF document text
  • http://tottazo.com/userfiles/file/96644325784.pdfIn PDF document text
  • https://dakhoathienhoa.net/images/files/89106991367.pdfIn PDF document text
  • http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/44618419756.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210530020208162.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/73599246070.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/woviviwowawesilolab.pdfIn PDF document text
  • http://flooroverstock.com/admin/userfiles/file/fakejojelipiroreluzuxe.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606e408b8dd44---22339490105.pdfIn PDF document text
  • https://eurochen.com/UpFiles/WebEditorFiles/file/52939170181.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/38361530110.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/10822253864.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a008084e4---tojotigilufa.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808cc439932---sarigobazomup.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/93611619666.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a388add56a---mininiv.pdfIn PDF document text
  • https://saintarseny.ca/sites/saintarseny.ca/files/file/55233990039.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=spanish+worksheets+for+preschoolers+freePDF 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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