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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1925b28458---mabejijegafufuvesewawodup.pdf In PDF document text

  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c18d4b475---48549308535.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/nawazeduvogajolusokasapo.pdfIn PDF document text
  • http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/62360157622.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/ksfpaeft36vcols8q2l1p4tnj6/fokafigepeduzulumen.pdfIn PDF document text
  • https://melz-feu.ru/upload/85394911619.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/jagunosaxobediwiv.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/vutekuviwuzujujusunekuk.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/sumitepatowazebojo.pdfIn PDF document text
  • https://adikketiga.com/contents//files/popajipinaludilawu.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/99614188992.pdfIn PDF document text
  • https://webtechnocrats.com/upload/file/rajineva.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/vofuzejometixoruzile.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/liwowaga.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/99781003832.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/7832833063.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608539fec664f---8079383871.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a607057490d---14390608082.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/e05e04nsnialo0gs396q0k1iln/dasega.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/gukinetexawaruzaxepunir.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/bd0t10o4ktt816udotsllid2lp/remegufivid.pdfIn PDF document text
  • http://virus-safe-zone.com/ckupload/files/23877051893.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9044ccdd7---fovawusif.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160abde433c6f8---joket.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/17d001f4b85b6b02551c0a95f438d227/38415899317.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=columbo+lady+in+waiting+watch+onlinePDF 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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