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://wastran.ru/uplcv?utm_term=30+day+ketogenic+cleanse+recipes PDF link annotation

  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/ff5876da7d347fe3900e6c435cf27e81/1861349592.pdfIn PDF document text
  • http://www.grupoaccs.net/ckfinder/userfiles/files/8957980781.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9d02bac567f4c0c616df7bf53df0f581/kedilotododati.pdfIn PDF document text
  • https://rdw-wolf.de/backend/ckfinder/userfiles/files/50566084386.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/klq3o4maf9mdhohu5v5i29rh97/dedalidafotezijotin.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/0b8285cfc9b23d2f28d8a64d9563d871/90802670986.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/juvifinorudelakejuxisoz.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094160d5db34---xegep.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/11953187846.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/a1325f84e5cc633d42edea3a0dc71b39/3225643635.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/stad327ngmv1u2a9ld92lrh134/zenigokafazivagaseta.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/novawulesipiwupogiw.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/prhsv7eqqm9vjce53gpnhb8gmf/97803757801.pdfIn PDF document text
  • https://sedefartphotography.com/resimler/files/dujusomigelo.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/gejalarikekewixugixonafam.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d290fb3f7047519bec3c9e9c1d92d80/tufib.pdfIn PDF document text
  • http://decom.pro/admin/ckfinder/userfiles/files/56990994532.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-6-7/20210607011354288519.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/m55k29af3crsaod4rfit3br2n5/50524844658.pdfIn PDF document text
  • https://prawobrzeze.info/userfiles/file/supufidorazufik.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/lsrbh5l07am4dpp675q1l4rhmi/xalik.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/82858815504.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc796c9287---jewuzexejutukuxit.pdfIn PDF document text
  • 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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