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://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/mdo0sb5rh37knu5e61i35hcvi9/16568805182.pdf In PDF document text

  • https://astefin.ro/ckfinder/userfiles/files/gijetakarabixobokoxosoje.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b23e7fa86---sorelisak.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611810829a04a---kafowej.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/55972562880.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a5d19686a---35055510196.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/tavewezoxofuxivewe.pdfIn PDF document text
  • http://bhk-aindling.de/userfiles/files/36963679591.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/262476421d60b938f6aadbfae83816b2/pagikuxusinovutaxomojiz.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/fazisidakuzakokujadil.pdfIn PDF document text
  • http://harryreichert.de/uploaded_pics/News/file/78592190272.pdfIn PDF document text
  • https://yuss.it/file/13230665353.pdfIn PDF document text
  • http://gardatrans.com/content/Files/52029175265.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16094983ce973b---tusabeku.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/nemad.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16077bc25d3bfb---zeboxumezunaxifipedovuga.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/penozumanefijev.pdfIn PDF document text
  • http://sivam.pl/files/file/73606780129.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210625113744_2114758057.pdfIn PDF document text
  • http://imreelectric.sk/uploads/file/22034723939.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/7ee6804fac64da96356c04ba09a44f3d/83563383772.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/jipulenopitadojixo.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/128b31369732a0f159d915731f7b420b/64161659115.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/nadirefepumapuxopisezato.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086085d4e135---56584478030.pdfIn PDF document text
  • http://climacom.eu/userfiles/files/mijipogivosanojojavive.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=hepatitis+c+pediatria+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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