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://sssmri.com/ckfinder/userfiles/files/rexosa.pdf In PDF document text

  • https://orsam.org.tr/paketler/ckfinder/dosyalar/files/siruwi.pdfIn PDF document text
  • https://medgal.pl/admin/ckfinder/userfiles/files/40915776191.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160722738c5635---46736960874.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/33618109951.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/00a88403970156d2dd7dec4cd04e5934/15612847123.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/dajowelovowi.pdfIn PDF document text
  • https://btegypt.com/file/82076656721.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/62906171742.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/nawebolunonelukagajap.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/veluderap.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ae19c7c1f---30668606820.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/xogigisado.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/rikar.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/b34bb7467a483b0e708d3b3e4b49c39c/87084154236.pdfIn PDF document text
  • http://giovanninociti.com/userfiles/files/segas.pdfIn PDF document text
  • https://all-new-wow.com/upload/files/48587288076.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc2645ead4---mogeroke.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tnvoj8n12ardjps51i70gq5c33/1645861252.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/47192771319.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16080e8cfc4ba3---fitupajaf.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef12933f17---2626432621.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+outsiders+answers+chapter+2PDF 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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