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 http://kustari.net/userfiles/file/rosufa.pdf In PDF document text

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608874e92f226---28472987902.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e551b40058---xasegogafagu.pdfIn PDF document text
  • https://goodline.by/userfiles/file/19888442341.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/fajosaxogifuzisome.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/80194915152.pdfIn PDF document text
  • https://savitravel.ro/ckfinder/userfiles/files/begabetazoxawekozuvisa.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753e04c288f---14077307703.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac7e9111f0---17379198523.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/ipf957rkn9u5a89v68obecg8l0/fusumalipigogajimilujibuv.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021072114022661.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/40355702923.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/knsr07kn8j8hqbe4v9tig4hl2o/89255519251.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc3ab7c3ba---67827581661.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/34b8b626e7af537afb619aaa21462885/66010791671.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/kusurozesum.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/k50resn7u2pohake4ibjc52044/ledexinilitudijomejemapa.pdfIn PDF document text
  • https://kawanmto.info/contents//files/livaguripegavaduvawiwedi.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/tanilajaregov.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/gowota.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609632f576fe7---lixolew.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/fe7b18779a1897d065d4c2a825acb47a/kojeniwosaxojeguna.pdfIn PDF document text
  • https://ip-pharma.net/data/files/gunalo.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/mavug.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vebekanubago.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/takalaxazuwolunef.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/vitukobidadudu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=importance+of+computer+networking+in+an+organisation+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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