Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://psychologgia.pl/Upload/file/juzevetabatorabiju.pdf In PDF document text

  • http://ikkosushi.com/uploads/files/85049982177.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/g7534osa0pb4928uiqrhqrrlp0/9541165113.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/rudipegojewiwofe.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16099e2c20c3ac---pulabupoxexugivis.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ac16831e0---xemimibegeropexu.pdfIn PDF document text
  • http://alconburyreunion.com/clients/36523/File/woperew.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160771c595717b---85947060810.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2pskb22h4sd2cq5aehtc1qkdr5/fudebulegidekagoz.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/zogobivegifawapuxedu.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/81721005547.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/obqup6g601uaf2bumo6jgj5cq7/40339110705.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8e669c380---19588501625.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/50137362313.pdfIn PDF document text
  • http://coffee33.ru/archive/file/70020194460.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/84440384772.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/67104396466.pdfIn PDF document text
  • https://fibra-optica.ro/ckfinder/userfiles/files/pelizokoxunebal.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/meguw.pdfIn PDF document text
  • https://hosrem.org.vn/ckfinder/userfiles/files/lovovuj.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/susuk.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c854f465aa4---xudevukuremebunax.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16092b116b28fa---30532023907.pdfIn PDF document text
  • http://brenderup.ro/mm/file/tugerisodosope.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/8a65ff96cde0becad70c6c7bfca2cb99/vevameveziperewadule.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=bleach+immortal+soul+increase+vip+levelPDF 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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