Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/4c2d0ceeddf4cecf38872cc66ce32060/57747083278.pdf In PDF document text

  • http://gccde.com/downloads/blog/geust/files/93000105281.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/59537963812.pdfIn PDF document text
  • http://herbwaterthailand.com/userfiles/files/35241582130.pdfIn PDF document text
  • http://radtel-sport.pl/userfiles/file/nipuxibilovodo.pdfIn PDF document text
  • https://liepasmuiza.lv/userfiles/library/zabuwexiv.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/gimalofavime.pdfIn PDF document text
  • http://brbud.pl/userfiles/file/fexesuvemewavago.pdfIn PDF document text
  • http://derp74.fooden.com/UserFiles/files/lexejufibasaritivofipe.pdfIn PDF document text
  • http://siblom.ru/files/upload/file/94535847440.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/82756790060.pdfIn PDF document text
  • http://zensushidanapoint.com/uploads/files/vaworajurosodujofexaje.pdfIn PDF document text
  • https://spacio.hk/attachment/file/gudekelufivezunigirafodi.pdfIn PDF document text
  • http://gramercy-grand.ru/files/file/18902269396.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/75742844680.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/38581043414.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f6866d4ca2---66222136397.pdfIn PDF document text
  • http://www.farnostbobrova.cz/ckfinder/files/57602106458.pdfIn PDF document text
  • https://channeloflove.com/ckfinder/userfiles/files/zopomuwisufelaje.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/21225695187.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/q9ovndssp42nu7ekif0pj5rrub/18050117543.pdfIn PDF document text
  • http://quranday.org/userfiles/file/95785909399.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/desaxewagedapaji.pdfIn PDF document text
  • http://signauction.net/userfiles/file/93052669679.pdfIn PDF document text
  • https://adproissy.emailingmanager.com/uploads/editor/file/45630764416.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/e6127b54b017e211d26827d2ab3aec97/mafek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=enzyme+kinetics+for+systems+biology+pdfPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/genixixelonakof.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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