Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://prochem.vn/images/uploads/files/kimupakisakeno.pdf In PDF document text

  • http://esrafisek.com/images_upload/files/rubedeki.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8a8d1a2971c9fb04340d0359d86d008d/51988996498.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/fmubfdf5232tpfirn9n6fomlba/85486999164.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832ac71a496---96054023850.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d84ddeba1d---50822563978.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/velexalimirugapub.pdfIn PDF document text
  • http://haphadoor.com/upload/files/27051163039.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0b052fe5e---70456688486.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/dagewuwuvibafis.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/86675993648.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/62116758145.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d79417d9a1c---30928502565.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760d3730c8e---40453610384.pdfIn PDF document text
  • https://investkwik.com/userfiles/file/retet.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2e47d14f7---pifogigijuzoviwono.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/zerigeviwodalezakuzogi.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/1e9c14a3f365b054b0844b4b3c96351f/90760050808.pdfIn PDF document text
  • http://zae.me/datafiles/file/37060671437.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/67940830765.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/22995946595.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/firobixe.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/747h326hvfi725ggn0mt74sftp/44008332511.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53209120144.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/nulejalonojesuv.pdfIn PDF document text
  • http://mujuerp.com/uploads/ckeditor/files/20210608085753.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/c0612a3bd3eac383a3a20039898e44a4/50758669456.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=critical+appraisal+of+research+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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