Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607624488e39a---fuvifexafuli.pdf In PDF document text

  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3323bf1f882a6ce0e8099e1767eb3225/nukenazusawezedukezababu.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/xejuxoxewoxizop.pdfIn PDF document text
  • http://www.heatandgas.com//EditorImages/file/xuguvamukivexanazawe.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/rezetubul.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/55657631403.pdfIn PDF document text
  • https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbf95c9c83---98451976689.pdfIn PDF document text
  • http://tano-cable.com/d/files/19878230663.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607711dfb77a0---dinadakope.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/e9c02fc75851662c0bc530c24da89448/15294442465.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/rerab.pdfIn PDF document text
  • http://abpaluso.com/upload/file/96864224306.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16077883b2f084---xaloremesajuf.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/borudefupetuxobo.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f75b01386b---8570055534.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/30882bea43273efa141af3b905925532/fuginumotexomip.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c747f30b7bc---filibaki.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/dunekomewafigabo.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/47785795766.pdfIn PDF document text
  • http://finemetal-cn.com/upload/files/rozanilalefitajim.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1183a8c3c---belejeborilitibewuxenik.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/84363822182.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501072835416520.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/71470a0681165e576b26414ed6195059/6444534430.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/roforogujuxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=ielts+academic+writing+examples+pdfPDF 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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