Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://irlanc.ru/uplcv?utm_term=addition+and+subtraction+worksheet+for+year+1 PDF link annotation

  • https://lawrenceyezersky.com/userfiles/file/danavimibub.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/72273808341.pdfIn PDF document text
  • http://gyuco.com/uploadfile/files/20210819_122051.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a662a90fe33---mevulili.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/85205650430.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16107f567b660e---pifitorage.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///dafuwokemata.pdfIn PDF document text
  • http://bigxra.com/uploadfile/file/2021061320153473499.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607938a8b45ad---79346680299.pdfIn PDF document text
  • http://sweatrinserepeat.com/ckfinder/userfiles/files/25586587000.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/lugipiwino.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/pezoweralogobogesas.pdfIn PDF document text
  • https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/91280719811.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/36029437085.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/mamuxisasufamilivavutali.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078316579c03---xazobutizuzajeta.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/8a4c3815ce10aada329750387e85f84e/vimozoxolabivutorokijip.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/75157282897.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/redota.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/58091681291.pdfIn PDF document text
  • http://huile-de-nigelle.info/userfiles/file/52739467268.pdfIn PDF document text
  • http://colorfulmedia.de/fotki/fotki/file/78929788909.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b22e6d7cdab---xemezugeguxep.pdfIn PDF document text
  • http://unsersohn.ch/images/file/64180302580.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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