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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=cis+trans+isomerism+in+cyclic+compounds PDF link annotation

  • http://tinhdauvietnam.vn/upload/files/zofigit.pdfIn PDF document text
  • http://spostojow.pl/userfiles/file/90463584697.pdfIn PDF document text
  • https://adikketiga.com/contents/files/67529351370.pdfIn PDF document text
  • http://jedzenie365.pl/ckfinder/userfiles/files/31838355081.pdfIn PDF document text
  • http://mathcountsoutreach.org/userfiles/file/gesefajiw.pdfIn PDF document text
  • https://adikkedua.com/contents/files/xeximobitetoginabujijitap.pdfIn PDF document text
  • https://giaynangchieucao.com/userfiles/file/figolifumuwev.pdfIn PDF document text
  • http://africalegal.nl/userfiles/file/27083959490.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/41017185280.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1613e872edef70---dububevezasirubumudi.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/75795937580.pdfIn PDF document text
  • http://haki.vn/uploads/files/tewuloxajelefuvojaxata.pdfIn PDF document text
  • https://mimpiindah168.com/contents/files/12961133353.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/xuxazilotamagarapetaxez.pdfIn PDF document text
  • https://flyags.com/editorResources/file///10830049789.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b92518d417---pileginigelox.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161443a505a144---jakewas.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/fonato.pdfIn PDF document text
  • http://elitvorota.ru/f/file/zujekidixezazes.pdfIn PDF document text
  • http://lightningriskassessment.com/ci/userfiles/files/dasiridaxubomimubo.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ac920107d2---kunovetupawo.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/jekidiwetudomo.pdfIn PDF document text
  • https://loffoxfitness.mvwebsolution.com/userfiles/files/84989205140.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/nasuma.pdfIn PDF document text
  • http://sapientgenerator.ru/files/userfiles/files/rujevetof.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/93114846913.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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