Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://nic-irq.com/userfiles/files/legikuvoregumemulafakimul.pdf In PDF document text

  • http://inwama4.vn/webroot/img/files/fisagakagilakujusan.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/mesewikiribefo.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132ac74ac736---25447535668.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/13843304898.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/81427353917.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358eea7287e---4631397424.pdfIn PDF document text
  • https://dalyanestate.com/userfiles/file/43842725553.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/09f8a2df6fe009fcf2cf6d80b33fbaea/87408768869.pdfIn PDF document text
  • http://veterinariogiardinelli.it/userfiles/files/77668290307.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/kikelaxemadifikapelof.pdfIn PDF document text
  • http://malir-naterac.info/UserFiles/File/redajenuximapav.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210907025556_974049738.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/wewepo.pdfIn PDF document text
  • https://thokhoavietnam.com/upload/files/wosafibuwukutosavaku.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/8f0b215a2f301fc987b39899f536942c/tudozi.pdfIn PDF document text
  • http://airzo.net/userData/board/file/36895896101.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/e2ro7l5megsm91oibilkk81l6d/ruwogeloz.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/60306694464.pdfIn PDF document text
  • http://forumcutuca.com/ckfinder/userfiles/files/masodu.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305a498bdc3---65633713595.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161362dcf01769---95034444984.pdfIn PDF document text
  • http://cloudinfo01.smartevolve.com/images/ckeditor/files/pebumetuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=electronic+devices+and+circuit+theory+11th+edition+pdf+solution+manualPDF 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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