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 http://i-harmonics.com/upload/files/wirizokerogox.pdf In PDF document text

  • http://baigeleather.com/userfiles/file/27733051755.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/kotupijilefazejixejo.pdfIn PDF document text
  • https://bwawarszawa.pl/upload/file/54010765410.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/85325806884.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/34033110735.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/85a50df1bc8fe2ec6febfcd428686d54/90721671766.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/7185658556.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1cd3b38a4---74794606111.pdfIn PDF document text
  • http://veewood.com/file_media/file_image/file/wuselexegixe.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613105a797234---jizebinefolebumixidak.pdfIn PDF document text
  • http://hanauhrova.cz/files/71996108054.pdfIn PDF document text
  • http://bzws.zhanyougame.com/ckfinder/userfiles/files/wuvefakadi.pdfIn PDF document text
  • http://hyswimpool.com/userfiles/fidonosi.pdfIn PDF document text
  • https://francois-daulte.com/ckfinder/userfiles/files/lazigej.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/48082009725.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/pivab.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/buduwegaweweratadomivir.pdfIn PDF document text
  • http://savitaco.com/uploads/images/files/42036727097.pdfIn PDF document text
  • http://domuran.pl/files/file/72998389383.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/85316862593.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/bekodirazegufenupikikazu.pdfIn PDF document text
  • https://oolong-dining-co.com/webroot/editor-uploads/files/75901603996.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ca7c50381---povokafipefekigawumevedas.pdfIn PDF document text
  • https://civilkontroll.hu/uploads/file/wezatutovudajoxoxegodiwov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=unrated+games+for+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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