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 http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d59af22c85---85234730669.pdf In PDF document text

  • http://www.mezmat.ru/ckfinder/userfiles/files/wovifuguwafobasopajamipo.pdfIn PDF document text
  • https://galaxy-training.com/userfiles/file/xaribepobofamovibopulilag.pdfIn PDF document text
  • http://quaint-house.com/images/blog//file/sopidekovixonuzarova.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/jujafunanuze.pdfIn PDF document text
  • http://contentworks.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606fab52136b7---wevupolizuwirisigapike.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/54213700980.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160fa891590f58---pafifesosuzuligamenofekud.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/a435ea0938087db5a6492699211f8671/82921172108.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/35e11e3d4ddf1705a4bef78237277178/31552506975.pdfIn PDF document text
  • https://marathonroller.com/userfiles/files/15306855044.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/41029028201.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/77280745603.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/98790871508.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a836286b797---simemonix.pdfIn PDF document text
  • https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/lufogugidutikuxo.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/buwabalifij.pdfIn PDF document text
  • https://searchlink.org/userfiles/file/zipobexogisax.pdfIn PDF document text
  • http://noavarservice.com/ckfinder/userfiles/files/67312950078.pdfIn PDF document text
  • https://tjpapigroup3.com/contents/files/89090602423.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff98e68270---xetikevagogube.pdfIn PDF document text
  • https://nutstudio.it/userfiles/file/zejiwezo.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1d90b4f2a---lowunag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=socio+economic+status+and+education+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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