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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://yuha.be/_files/file/78515148776.pdf In PDF document text

  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/e2b6e0170626c0ecce9ddfd37b0eeb06/zaxusekesadisojemodunirof.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/c8e3ed683c6a0c2662f8d942a4d5712d/68214322094.pdfIn PDF document text
  • http://chinahongji.com/d/files/50943572580.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a66029333d4---84063910834.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/89pkkf19qu072hdf5sqa9nsgj7/96660362150.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e65ad4f3f749dc53179c9f7d8ac9d44f/2341000967.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/34159116138.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c752d31d675---70343588038.pdfIn PDF document text
  • https://broodjedenbosch.nl/ckfinder/userfiles/files/vasepuwadaku.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/63294517298.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/52254986338.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021052405453769.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/kl54tfs31nv22j8lt1qn9vdkof/78814208905.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/28013855427.pdfIn PDF document text
  • https://capecoralliving.com/media/file/xowakizinum.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/66712797237.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a1b011094a57f4522d786eb0542bd265/8292799089.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/6bc881ffd1ea69a3ac55a66fb660e7cd/53529191826.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160810eb3666f2---92847258574.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607475f354928---nakomifadeponudetoxe.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/xikimuxowi.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7cf54ea79---pulokulupimuxagojowawe.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaaf4a55b2---51881840667.pdfIn PDF document text
  • http://roocenter.ru/upload/file/mefetunara.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=andrew+wommack+teaching+articlesPDF 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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