Malicious PDF — malware analysis report

Heuristics 5

• 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://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/5f61fc0356777193080ca06e3efbb38a/lirajomitodevuginekegukuz.pdf In PDF document text

  • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/0h7hnrns1tse244516sa4c82k2/dezebemebedixamamo.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061913134473499.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/84415639981.pdfIn PDF document text
  • https://asiajitu.com/contents//files/50617666110.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b865f78d6a2---wutujesorixiwoped.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/8248929206.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/55575023263.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c1f0c68c---16314632571.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210708_011841.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/45758582583.pdfIn PDF document text
  • http://midel.me/userfiles/file/fusanowari.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792537601cf---naxix.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/sezukasojibutupetebovut.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/60e2c313417efe25b5f12ee2511b79bd/rogowuzojus.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16077d5b6e82c5---neponikimokujevefok.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/a3fbc12b84907fbeba696cfaf75ff852/8009322135.pdfIn PDF document text
  • https://markyatirim.com/resimler/files/tudosiwuvujiwajazezin.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/d802219f15e67e9ec316d1024ccc17e1/bujizukitoreva.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9f63eef64---73028283575.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-8-6/20210806121426177907.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/27062792358.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/e055850417ef9c3ef71f8fd516acce1b/misefe.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/4512432713.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/norus.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/8c2ac709ee1ed417c131525ffd5f9b86/4644550253.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=como+calcular+a+corrente+do+primario+de+um+transformadorPDF 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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