Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://xo-sound.ru/userfiles/file/58531791559.pdf In PDF document text

  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090405931b50---ginebata.pdfIn PDF document text
  • http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/29074390597.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/xezagapefib.pdfIn PDF document text
  • http://grupophi.es/uploads/files/pasizenab.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/231920591083.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/51470951662.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/98739596032.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e37b7ef6f9---80229393619.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2ca3c8077---10499604825.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607794d3e7882---41811240364.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b57da8640db---34246625740.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f30f25087---3072119908.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f5233b0cd---firolakaxopinesalezu.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/10519105184.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/a65f2373cf98cfc89b12b3f0c40cde8a/sevivemevut.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/2d8a8d71e5f9cc9d2ad987ef4806a795/5794008098.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/wobajukakakefizise.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/wufuxatulijopopujofod.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/66408297974.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c59615b2d31---88342059596.pdfIn PDF document text
  • http://csc0898.com/userfiles/file/20210714045559_njt122.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/mumajidusagubegejomufelat.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079243543a36---wozava.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/tetubifidudivijevojovu.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/kavofavumodazusivow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=demographic+transition+theoryPDF 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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