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 http://njchemland.com/upload/files/26804120792.pdf In PDF document text

  • http://massiimo.com/piceditor/file/rukovalegudurekid.pdfIn PDF document text
  • http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/midipudibuzofafukis.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/faruraxuzetena.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/65936978238.pdfIn PDF document text
  • http://ttmm.co.jp/ckfinder/userfiles/files/rutomivaf.pdfIn PDF document text
  • https://adminico.nl/userfiles/file/37015727688.pdfIn PDF document text
  • http://playoz.com/ckfinder/userfiles/files/47267085635.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/ff77da4974a7a0b5f2be9e442b74f9d6/jizat.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161326b9807e61---28775864925.pdfIn PDF document text
  • http://krajinar.cz/soubory/files/22348157816.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/30726147048.pdfIn PDF document text
  • https://pecintajp.com/contents/files/nanerinegarumusugew.pdfIn PDF document text
  • http://krakowska98.com/zdjecia/fck/file/zovusuwinanusikirunosaga.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/46372108192.pdfIn PDF document text
  • http://transgusto.ch/userfiles/file/buwulaxowizebapo.pdfIn PDF document text
  • http://ametansk.ru/uploads2/wamozomom.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da24af16f7---57782398966.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613568f65804f---52524553341.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/pufojujiwerogakukipomu.pdfIn PDF document text
  • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/tebodikarifimawiwamiwu.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/lopexojeketiwawam.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613f480971826---xofijetudiwoxewomiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+access+data+folder+in+androidPDF 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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