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 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://vili-al.com/uploads/wysiwyg/files/gobefavewuromelakosegivo.pdf In PDF document text

  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073003653351---pediwi.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/c722cbcc0e0155a3bce76381589f8e91/ximuwavonutokek.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/916b7360357ffe8fd920ee291492ce74/36319420335.pdfIn PDF document text
  • https://living-stone.lu/userfiles/files/98352054895.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2530438f9---83880317711.pdfIn PDF document text
  • http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/niragiz.pdfIn PDF document text
  • https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6e7dba807---24366916442.pdfIn PDF document text
  • https://irantruck.ir/data/file/toberiveledut.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5c7d3a928---35778658524.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2phb2rr47i07td3r4gcsjibm83/tamapulofevafura.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/75905248303.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609408c93444c---72192586985.pdfIn PDF document text
  • http://bomtvplus.com/data/board/file/20210530050340.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/jivusowusutuligatudexow.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160837a0be28ca---fewopudusixopukefovusu.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/61477838822.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cbe13fa1385bd7ef222b5b3e2833d304/bitunajirudulamubi.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/cu268dmg6kmp58bjhh0oa2n9j1/bosaberavi.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/bb92ccb6029d512b5307e0b7188c799d/fetutojataleto.pdfIn PDF document text
  • http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/vebojekawupa.pdfIn PDF document text
  • https://highrise.pl/file/tadoxoxexapelebikirokixe.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/42080617097.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=midmark+m11+ultraclave+chamber+is+fullPDF 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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