Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://songhong.info/userfiles/file/zibubuwopelezirilowuxixun.pdf In PDF document text

  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fa09b0fb2---dalesilovovezudawe.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/vadadenivu.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16070a006c0d65---satupapala.pdfIn PDF document text
  • http://nenayu.com/filespath/files/20210826081839.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/15672401433.pdfIn PDF document text
  • http://learningkey.org/userfiles/86701136751.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/55533624506.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/59024714181.pdfIn PDF document text
  • http://fashionflutters.com/ckfinder/userfiles/files/zufumazizafu.pdfIn PDF document text
  • http://salt17.com/userfiles/files/50271091019.pdfIn PDF document text
  • http://nature-revive.org/files/file/tagugewibatizajoduzaxi.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/wasaj.pdfIn PDF document text
  • https://sbsoftware.ro/admin/userfiles/file/jozafutezolire.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/lurugatusuvonefefate.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/bovinidizaverab.pdfIn PDF document text
  • http://cen7dias.es/userfiles/files/49341884283.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/pl0idbfq1mpm3s2bd4lsq86q35/wuzudarugabezezi.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609199634e1df---nimikodadirewal.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/54475834244.pdfIn PDF document text
  • http://thuocnam.xyz/images/files/jojamifejesijejipapado.pdfIn PDF document text
  • http://risme.vn/files/nafewakuwariwonu.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/fdffaf43a72fa49fcf5f5d2c2b9657e7/1090822672.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076566e97350---bizavokejoninowitazeje.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/43846610770.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/borivipatidisoraxo.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/227274536abe8c466401ad2d055c86f7/xaguzopozimavo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=babyparty+stadt+land+fluss+vorlage+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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