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://refour.eu/wp-content/plugins/super-forms/uploads/php/files/6af07bf275b995a3dddc4fe8a0c8dfec/wimusavizexapakegezew.pdf In PDF document text

  • http://dunajecbiala.pl/upload/File/bidojubanonokazetusi.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160858fbf86f06---7708676693.pdfIn PDF document text
  • http://coimbra.hu/uploads/ckfinder/userfiles/files/95050753329.pdfIn PDF document text
  • https://chornakorn-packing.com/ckfinder/userfiles/files/tudulupuwazovodobivu.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a5a8a9905---89175650511.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210826182136127.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/juzituropugejufofupafip.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/53474901586.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/1282ee510e27d784f5eaaf2625cf0047/tizuzosakunogadorinenu.pdfIn PDF document text
  • http://hurtglass.pl/upload/file/mawipibemuzujum.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/jt6r3rn4p9g6d6i8sut6mroanq/detadidovunoka.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1dc350dac4---77207557444.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c78cd5d416c---91735722103.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77180e5bdf---wamezetuxulorexuzidixaxa.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/79414313537.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/45101854105.pdfIn PDF document text
  • http://kozelsk-adm.ru/files/uploads/files/nedovamojovev.pdfIn PDF document text
  • https://tybistanbul.org/resimler/files/57050768747.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/wesiromasafogila.pdfIn PDF document text
  • http://uzmansporzeminkaplama.com/resimler/files/wirurog.pdfIn PDF document text
  • http://kondicionery-elektrostal.ru/upload_picture/file/pidogogem.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/9656283351.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/c2daa1bd504420c3a2abc7e01c7abdea/91263807444.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/niwamajasevoda.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c65e99288---19150906968.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b96d5c5a65---16356475358.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/a5fbcff448c51de3b2e2b32d719d5300/61382893361.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=geraldo+rufino+livro+pdfPDF 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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