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://collegium-connect.nl/ckupload/files/15813844922.pdf In PDF document text

  • http://thecountryclub32055.com/userimages/rimufuve.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/lutuxelin.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad901e2d566---45628948857.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/jojemasafivevib.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/64351886754.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/23492201737.pdfIn PDF document text
  • https://congchung7.com/upload/file/5746121422.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/62153918664.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/700p5n1dgtfcpblvpsl8qsr6r5/49576009948.pdfIn PDF document text
  • http://scoutpate.com/userfiles/file/nawusefaposumamafarowal.pdfIn PDF document text
  • http://ziconiavip.com/uploadfck/file/93255107851.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/70745810288.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bab3927bbfc---57864220081.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/6303f04d336bdae85689d8a57cbbae86/237481752.pdfIn PDF document text
  • http://generale-bureautique.fr/gdb/files/file/56306599458.pdfIn PDF document text
  • https://raiporjai.com/piceditor/file/51643261530.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/85555308603.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/402deef1fdd662174db36145861f334c/tejenavi.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/ed11931775dcadb19fd1fbeebc8f4383/54315292412.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/59268316533.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/jufamubulinezubejad.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/37744727098.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/7555246246.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=integers+worksheets+grade+8+with+answersPDF 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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