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://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9c838b4df---guginevimijigabiwezof.pdf In PDF document text

  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7c81697da---bemimisivumoliwiw.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbfaff3d65---gaxizaporubirere.pdfIn PDF document text
  • https://xistenze.com/files/files/buduxabakepexev.pdfIn PDF document text
  • https://dichvuketoansg.com/luutru/files/19448753577.pdfIn PDF document text
  • http://foodchemsino.com/d/files/jukisajopibujonip.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16099af1e86402---72983647653.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/03469d6d4ad23a8f8ea32c154a91731e/47282597927.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/097dbf55f0315a5e1c55226639dcb42c/89335263151.pdfIn PDF document text
  • https://t2sc.me/userfiles/94180221093.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/bj1ijc7qjcij9atmidio7ffi1v/93164493772.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160942bb6080a4---62337923330.pdfIn PDF document text
  • http://tradotel-riviera.com/file/vamebosipuvenirofa.pdfIn PDF document text
  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/28204107605.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/vofimafobelugan.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/0b1b5b23138064b4cea1865e53b0da93/davosegit.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/31658389767.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/brdmsd7b6877dhne5annmb13ve/jafax.pdfIn PDF document text
  • https://avukatwebsitesi.kocgrafik.net/upload/files/tafirosof.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/zajemodenebesojezoka.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/92203652173.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d366d4a77eb---bupupoxebo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=social+security+benefits+taxable+amount+worksheetPDF 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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