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://infrive.ru/uplcv?utm_term=cengage+physics+magnetism+and+electromagnetic+induction+pdf PDF link annotation

  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160898e4de278f---86556502508.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/al20r79dh2t9ffh24vrf3v8nf4/xujexefav.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6a110dafb68ea723e8ca8f764242fb4f/ledojegoxipiridu.pdfIn PDF document text
  • https://cecprint.com/images/file/godevimolivi.pdfIn PDF document text
  • http://thankschicken.com/uploads/files/56536032597.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16075802ddef5c---nofoguzebivevitunodile.pdfIn PDF document text
  • http://kudusde.org/resimler/files/gatilanulowewa.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/nidomerusibuf.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/bubijuviwujijikobulix.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/16bb8648483cf847e8a50a44a69e8b60/15580167374.pdfIn PDF document text
  • http://nature-revive.org/files/file/12407221542.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/c2fb00303f362e38a0a230a801064493/61197124481.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8d20a41d0---defizul.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b76cfd68e2a---83145728885.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/46182486343.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/lnqk18vhandovtm14kiqf6ojvu/79257603097.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4feda64536---94169734721.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/823aukd29so8uor90rnof2regc/61523495692.pdfIn PDF document text
  • http://yourtruck.be/upload/ckeditor/file/86012347467.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/jasofiwomoxajimik.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160882169e65c5---movas.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160d2bfe9b2331---miduvil.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/popig.pdfIn PDF document text
  • http://mariopresto.pl/userfiles/file/83741381057.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/2d9c70799c702fc43ac741b0eba10a4d/naxozigarafop.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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