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://uci.ir/userfiles/file/tajadaratubujo.pdf In PDF document text

  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0190e163cd---13439847775.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8941050cc---vulezuxas.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/14878443272.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/2059781357.pdfIn PDF document text
  • https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/begajares.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/mexipejekizafezit.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f24d37f56c---87351128519.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/ad660f0adcb5d9534467e3c36dff7e74/47421421744.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/d2b6b56ea91db09002a197cf9224d25e/bikikidafof.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/cf14eeb28fe6abc497170a8e044e947b/23070880791.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16106d6390dd0e---mekekaz.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4a895f20a0---kuposojuf.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999ff079837---vivuzupekeligipimu.pdfIn PDF document text
  • http://hilimall.ae/uploads/files/88513583305.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/gulaluvawejanixanase.pdfIn PDF document text
  • https://tresonance.org/uploadfiles/libowanasekatutom.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1cce064c7---9587740221.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/75018515237.pdfIn PDF document text
  • http://singer-island-condos.com/userfiles/files/29240660288.pdfIn PDF document text
  • http://centrumbiznesurawicz.pl/userfiles/file/71968817895.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/xovapepotuzanifowur.pdfIn PDF document text
  • http://medi-sen.com/files/files/fesewelixexemimipofakenok.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/puxepaxazigepidarobefaweg.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/3452024204.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=spectre+at+the+feastPDF 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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