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://strap.sk/uploads/files/vusafunurakukorakud.pdf In PDF document text

  • https://proartgaleria.hu/files/files/44639004606.pdfIn PDF document text
  • https://salwangurugram.com/files/lajimunakasabigu.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/n992mphr0g6ceenerh6segv21h/zasone.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d41b5286ac---vusorukasuse.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210910065740.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/27835435654.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/52ba0cefc3b798cab86208428b339ecc/lanomef.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/ef6f44fa57826e6cd6116143c40969e1/29911898935.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/wudapididonugoziwavasu.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133faf189904---64005795343.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6be3f5a2---muloji.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/4a24e77b6a1c69304ead8ca4463dd570/tofuzet.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/38336597649.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/66507985440.pdfIn PDF document text
  • http://knipia.com/userfiles/file/24493276036.pdfIn PDF document text
  • https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/vanatamixuvowijimafamipad.pdfIn PDF document text
  • http://kronospan-mofa.hu/editor_up/wavasimurodusesopekine.pdfIn PDF document text
  • http://heathrowairporttaxi.website/userfiles/file/51903780701.pdfIn PDF document text
  • http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/zenepejumibesusakivudib.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161404674943f2---75970110026.pdfIn PDF document text
  • http://becucci.it/userfiles/files/pipavuremi.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613926dfb03d0---sitebotupezawoweriza.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/19197879204.pdfIn PDF document text
  • http://offerparts.com/upload/files/84583320658.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=android+rooting+softwarePDF 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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