Malicious PDF — malware analysis report

Heuristics 6

• 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 https://jslt.site/js/ckfinder/userfiles/files/gugefapanulibaguberesasu.pdf In PDF document text

  • https://hansenlight.com/UploadFile/files/78021436692.pdfIn PDF document text
  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/790284eb5e388eee007fd4e7212e6c66/92993501571.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/zuzolejapugifubidit.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210709143620.pdfIn PDF document text
  • http://www.sealjet.mn/pictures/files/sogotukeludiz.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/27149113432.pdfIn PDF document text
  • https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/gajukepixoxezajijowal.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16084b89d50646---juzosewesidenijerovawoze.pdfIn PDF document text
  • http://fittbike.hu/files/file/11789580826.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/tobomibudagamomepomib.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16072913d8b040---jopijabu.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/wuxolupinenomezasovopanis.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210717_100142.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91455caf3---84995806341.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210616_64CF760E8163E556.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2cf5c1a70---xedotoditidasevatelos.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160742293c833e---47232821529.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/tubanenepolalilusunus.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d208901aa5c---2715412815.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/7aee8589442b2e60336f782ea232e57c/88027859788.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b597d09047b---xapuwefimokufakosimasi.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/xozuwadukozumijal.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/da753fa12ade025cea858e7c504f1560/21423112701.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=informed+and+communitarianPDF 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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