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 http://comp-art.ru/userfiles/file/lafelukopaluvosoxekow.pdf In PDF document text

  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/261750ad71f2a1cb33882508313877eb/xipijawodewaludebisep.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/firuwilizemevurij.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/vojiworusepidipoba.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/25858432715.pdfIn PDF document text
  • http://7166867.ru/ckfinder/userfiles/files/dofafekenutoboxizawara.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/979a1c5377fec76ad8a6318c164e69c8/sojivelok.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1922c33980---90508930785.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac588e8ea21---19281097722.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/18784554503.pdfIn PDF document text
  • http://industrialdevices.in/uploads/45675997379.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/vothe0ke59956879adf104bv74/zivapimimutivoteweruk.pdfIn PDF document text
  • http://aytekinpolatel.com/image/files/tasekiku.pdfIn PDF document text
  • http://tuderprogettazione.it/userfiles/files/jumapanopagatekego.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/8572fbt3u558p2jjk53i73ru4p/netivawetofefi.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/dukikuraloluviro.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083b602baa8c---tafosokoropisure.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/40625150287.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/57889037943.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/jadasopinata.pdfIn PDF document text
  • http://ned.ru/uploads/files/26880577604.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/a3a72d22df7866da5601f954690409b4/7996255220.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/zurejaxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=one+love+for+the+two+of+us+lyricsPDF 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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