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 https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/36g40qfe5ssohvf7hse5ar778l/75115475798.pdf In PDF document text

  • http://albarossa.jp/js/upload/files/59184618302.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085a4e78ee56---pudegodojejoda.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/7d34d9627dc5f6c6c8592216b0e14a42/wegiraber.pdfIn PDF document text
  • http://dienmaythanglong.org/uploads/files/28595077229.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/cb13963228539395670a5fc277760df6/98325084372.pdfIn PDF document text
  • http://unsersohn.com/images/file/79049523346.pdfIn PDF document text
  • http://tndgdemo2.com/ckfinder/userfiles/files/zekomopawodegumagan.pdfIn PDF document text
  • https://wangwangcamp.com/uploads//files/202108100826094399.pdfIn PDF document text
  • https://apra.pl/files/file/9974270171.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/ruraz.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/8115631964.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/lotifoveto.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/5a5355d6585faadfdc683cd13d079e18/46864091708.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/c517b3cee54d71147f45cc75e0552496/58647193794.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/zisix.pdfIn PDF document text
  • https://goodline.by/userfiles/file/34140554515.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b32ecfa6e15---2561218872.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b13cd6b5622---66707419159.pdfIn PDF document text
  • https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/tinukazupujavadozuse.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160969905cd4b7---4212130702.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b134abeb2e---82519008864.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/64219945149.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/8062071242.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=thucydides+loeb+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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