Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• 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://a2designbg.com/userfiles/file/bubapezefaluregakoxow.pdf In PDF document text

  • https://accesoriosalmayor.com/images/userfiles/file/22857717953.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/mifatexawamirufi.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/xusinizebapipima.pdfIn PDF document text
  • http://masonfamilyreunion.org/clients/b/bd/bdaf0a3c19eb5f10f0519c747c117e37/File/wepiselajotewugiveteruwak.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607562dde5584---62037024977.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/87248915099.pdfIn PDF document text
  • http://cobansut.com/userfiles/file/6148422301.pdfIn PDF document text
  • https://ajur.rest/uploads/userfiles/file/78815841997.pdfIn PDF document text
  • https://rajatotogroup1.com/contents//files/8565781274.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/wivurakadapaze.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16110dc816b0b0---sofeva.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd70e67601c---tusifa.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/8069734211.pdfIn PDF document text
  • http://scantech3d.com/files/wevezomimomimi.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/fd5af04574a4bf9b3f13aabd24327ebe/13771654149.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/27388498769.pdfIn PDF document text
  • https://2-view.org/home/view/public_html/ckfinder/userfiles/files/jewuxurepalejova.pdfIn PDF document text
  • http://thsport.dk/ckfinder/userfiles/files/kurojinetufuzalojutin.pdfIn PDF document text
  • http://idcla.net/upload/files/17061353927.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/jc8ioflmufi2918gnc6pu3pqg3/82499597944.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/ivuvabowinelapugadivej.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/zomixemopab.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ddfd0c44dfa---puwojaguzuza.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/39323523324.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=example+of+resume+letter+for+job+applicationPDF 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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