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://archism.ru/uplcv?utm_term=clipboard+clear+android PDF link annotation

  • http://abwclayton.com/uploads/files/funofixoxoxi.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/16554571946.pdfIn PDF document text
  • http://estatepie.com/files/userfiles/file/10119214973.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/e8c71f6a5028cf82ef60e6353749e741/jezozumawakejevibuxifawo.pdfIn PDF document text
  • http://wakabaeducation.com/userfiles/file/74444527588.pdfIn PDF document text
  • http://regimhotelierbucuresti.com/images/userfiles/belajodagakirav.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/57440592422.pdfIn PDF document text
  • https://dmshospital.com/mm_engg/files/53812327267.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/bd7de5f18806a5e0f4af74c2bf949f83/26025172278.pdfIn PDF document text
  • https://apteka-wratislavia.pl/halatecza/userfiles/file/67683369288.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffa77723fa---16140409528.pdfIn PDF document text
  • http://ncdesign.it/userfiles/files/koluxunavosil.pdfIn PDF document text
  • http://lycee-elm.info/userfiles/file/144311707.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16136d2cd5496f---21246417384.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/muronimij.pdfIn PDF document text
  • http://resheto.ru/users_images/fck/file/94052373700.pdfIn PDF document text
  • http://weldingplaza.com/files/file/zifakezosufosareriwu.pdfIn PDF document text
  • http://fundacjahfg.pl/upload/file/24328778422.pdfIn PDF document text
  • http://tivatijapan.com/uploads/userfiles/file/81903454091.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/sufoxev.pdfIn PDF document text
  • http://forma8.kz/ckfinder/userfiles/files/64521366236.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/81500923186.pdfIn PDF document text
  • http://hart-metale.pl/gimnazjum/userfiles/file/28322691434.pdfIn PDF document text
  • https://qian-ho.com/upfiles/editor/files/19141934264.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/5qbo7ob4u17pe8et0qb1ien13p/5653364039.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/49143508367.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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