Malicious PDF — malware analysis report

Heuristics 6

• 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://dharmapremipariwar.org/userfiles/file/14367090453.pdf In PDF document text

  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/q2a617f2tsft29t1n2f21rsa2b/33615730730.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5666f50b1e---58099543075.pdfIn PDF document text
  • http://werkkledingverkoop.nl/images/docman/files/24724208247.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/opndiulev70udk98ir4cq95mg3/51532943268.pdfIn PDF document text
  • http://ilkyoukais.com/Images/Media/files/61805953243.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/49460843779.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/juropulojaj.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/30bf703fcb98eb06aeebfc23b4437a3d/60258433703.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/id1noahta6pea9ucnlqpf6i807/80480190334.pdfIn PDF document text
  • http://goref.ru/files/file/46883233779.pdfIn PDF document text
  • http://jadever.vn/Images_upload/files/76362517564.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/liwigavuwu.pdfIn PDF document text
  • http://bollywoodsalonskokie.com/admin/images/file/fawokopepafumejunix.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096597fd3e5a---bojukoseguxikivujimuwenam.pdfIn PDF document text
  • http://women-for-marriage.com/ckfinder/userfiles/files/kokavorevosatezil.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/85b5be58fc9fff25ede6875208627087/zelolozumafoj.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608416aa6a97d---musutetakoxufufu.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160849fa9b5716---12090485280.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4c8656823---89615731614.pdfIn PDF document text
  • http://caratow.nl/userfiles/file/43324421563.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/e24iek223lvv6a5gqqg81d5fu7/lijefulalimanimojimawo.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/gofenepe.pdfIn PDF document text
  • http://applexin.com/ttpsea/files/file/69851121072.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=best+answer+for+tell+me+about+yourself+for+fresh+graduatePDF 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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