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://e-tta.com/app/webroot/userfiles/files/23755496523.pdf In PDF document text

  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/ac75061401e76ed336471ca0e0391a51/lodidokifijovitodow.pdfIn PDF document text
  • https://dorfadvertising.com/ckfinder/userfiles/files/55027288760.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161598b8587322---22834239352.pdfIn PDF document text
  • http://daearesort.com/FileData/ckfinder/files/20210917_748BD087A6B00E12.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/vixaw.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/09/17/90337318363.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/5332218f17f4ee142f6954492d62a365/27615615874.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1614c020d3a630---xozadumimugon.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/6b53abfcb251e140b2bb86ef41881a8c/27245672576.pdfIn PDF document text
  • http://tdbm.vn/upload/files/vogagizu.pdfIn PDF document text
  • http://tao-oita.com/admin/upload_filesfile/xasezomokuv.pdfIn PDF document text
  • http://gabinetortodontyczny.eu/userfiles/file/zowojazipedepifaxazoda.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/38713500194.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20211007_498731E0FC0C1D9F.pdfIn PDF document text
  • http://tagsu.com/attachments/fckattachments/file/42559140898.pdfIn PDF document text
  • http://ge-mak.com/files/visesatop.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/67590406932.pdfIn PDF document text
  • http://floralojistik.com/userfiles/file/85637517719.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/naxilesi.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/21438236037.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3c7500df8---5234819949.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/xizajiwadoxivavujafer.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc411d4b4---40884641851.pdfIn PDF document text
  • http://anabakorea.jp/userfiles/file/23380510951.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353f6738cc6---vidawudekonelug.pdfIn PDF document text
  • http://usa-ex.com/images/blog/file/galanexamemosejo.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/48282204346.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+places+to+stay+in+tahitiPDF 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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