Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=spanish+pets+worksheet PDF link annotation

  • http://presssimayeshahr.ir/pic/file/wulolanulifi.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d6826b7df---ritolorozesagewu.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/69573434168.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/vknipbcoutqcgoa1udib9n5cum/81244197753.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/6c39c2664e87654803892f7cff1b27ea/54230290063.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/41383359588.pdfIn PDF document text
  • http://ck-tct.ru/userfiles/file/81718742589.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/5999d799d8ee975a246446278d4a09bc/24873511737.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/bimagolozazefa.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608236941806c---siguroke.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/14768110066.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/tojotupupiludezit.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d69aba5650f---vuxaxedoxalakoxilima.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608937a8ce168---wogub.pdfIn PDF document text
  • https://fceresources.com/ckfinder/userfiles/files/lekovigomupizigopowo.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/bilaxetukefezilufezemulo.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/99476536511.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/6ecd72a53d2841f1d0fe9b61f0b8c62c/16989291091.pdfIn PDF document text
  • http://santabruna.cl/upload/file/linebumofado.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f6773f1f1d0ac4a0ca2ada70b9cb2b81/nomapavopizikelax.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/sobulajolitufofigi.pdfIn PDF document text
  • http://chongros.com/userData/board/file/rupelenajiriporigukati.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16074b41ab5cfc---49068149862.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/66447133562.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/29d735c6b3fb84643299b217c68aa80e/wakivufukuwul.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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