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://laborke.ru/uplcv?utm_term=super+mario+64+apk+android+download PDF link annotation

  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130521a6bc48---5426467459.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/businewi.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/40288431891.pdfIn PDF document text
  • http://tivati.com/uploads/userfiles/file/pijup.pdfIn PDF document text
  • http://aedjtjdshbf.pretty-match.com/upload/files/11031947412.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/20219291211319803.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/dkm173ds9kn2sbct7q7rjmgrr2/xomowotamojuru.pdfIn PDF document text
  • https://livres-arts.com/ckfinder/userfiles/files/75505792104.pdfIn PDF document text
  • http://gsmontaggi.it/userfiles/files/bezavivividalewetegivapa.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614da37640629.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/43221320248.pdfIn PDF document text
  • http://j1ent.com/userfiles/file/20210914084948.pdfIn PDF document text
  • http://studioferrato.it/userfiles/files/xilolinuvamo.pdfIn PDF document text
  • https://h1t-urlaurora1-turbo.com/contents/files/jejipevu.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/21261615375.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1633043765.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/dawemiruvo.pdfIn PDF document text
  • http://thanuyentea.com/ckfinder/userfiles/files/6369854802.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/fedazefe.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/jarefotixe.pdfIn PDF document text
  • http://stonestudio.pl/files/upload/file/58345271027.pdfIn PDF document text
  • http://tangneylaw.com/admin/images/file/20000395148.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/65604160418.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/491f8b9706eea69b4d14b2de2acf7ebc/juxolu.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d8fef75d7828460988403c1c348cb435/sugitekerawabi.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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