Malicious PDF — malware analysis report

Heuristics 7

• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://stsmcc.org/www/js/ckfinder/userfiles/files/34739411556.pdf In PDF document text

  • http://postelezmasivu-brno.com/ckfinder/userfiles/files/vazikemufexedevado.pdfIn PDF document text
  • http://instit.ac/ckfinder/userfiles/files/tavepofidipowe.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/5669325551.pdfPDF link annotation
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/32986475143.pdfIn PDF document text
  • http://studiochiodo.eu/userfiles/files/90191976273.pdfIn PDF document text
  • http://jeyadhurgatemple.com/userfiles/file/xixukunubidoveg.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/9d231e02ba8ddd9fac28403d80a4a735/9258867584.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/dbd0a95d30f585217f75ba5a64dad45c/gowif.pdfIn PDF document text
  • https://bakotech.at/uploads/ckeditor/files/75845737896.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/81281902345.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/p323l84pbncrso8kd3c5kg6g96/nodarusifatoz.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614bf3c232189---16268882451.pdfIn PDF document text
  • https://riwg.in/userfiles/file/sapoturinaxuwelexajobo.pdfIn PDF document text
  • http://www.web-globus.de/ckfinder/userfiles/files/nikemudojudugamalubevifed.pdfIn PDF document text
  • https://marwaservicecenter.com/nbloom/fckuploads/file/zulorezonatareboxazononib.pdfIn PDF document text
  • http://dydlhx.com/upfiles/file///37573272145.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/fezupoxinuxotezajanipafo.pdfIn PDF document text
  • http://carbontuning.ru/file/43235396384.pdfIn PDF document text
  • http://picart-personal.pl/fckupload/upload/file/dewapar.pdfIn PDF document text
  • https://tradingcall.in/ckfinder/userfiles/files/tumebawavafut.pdfIn PDF document text
  • http://etre-belle.su/images/file/4135282493.pdfIn PDF document text
  • https://duel.pl/userfiles/file/gulenafiva.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=add+on+vpn+chrome+androidPDF 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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