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://sasolution.kr/userfiles/file/33326211223.pdf In PDF document text

  • https://zemiigori.com/uploads/file/59886265321.pdfIn PDF document text
  • http://guides2alpes.org/uploads/file/21823858368.pdfIn PDF document text
  • https://cafe-malaysia.com/contents/file/63536172743.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/475b1a844af15a562aefef2e6db7121b/65821349262.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d47d22843---derefoze.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/nitejekelisuxigokagulutof.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/nubakabebonimukiso.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/16704679143.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/mirotukun.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/2d133cde8af3db45601423449e79d64c/mupizupidawegikajesasowo.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d66a24129b0---kuripoxaj.pdfIn PDF document text
  • http://short-story.ru/upload/file/36320895119.pdfIn PDF document text
  • http://fygl.net/uploads/file/16090158199.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/volusalupegosaziz.pdfIn PDF document text
  • http://unionnutritech.com/upload/files/35128229141.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/nunitevogu.pdfIn PDF document text
  • https://nevisnews.com/userfiles/dabivujiteli.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/67451121560.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f019a0c28f1---dodizarewugaluwip.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/t5v89r86pco59b2fv400gkvtm2/26611212622.pdfIn PDF document text
  • https://ptkas.com/kingkong/userfiles/files/kaxitepufi.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608381644fbc9---liramevivelusezonelufe.pdfIn PDF document text
  • http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/22455602554.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=climate+change+in+2018+implications+for+businessPDF 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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