Malicious PDF — malware analysis report

Heuristics 7

• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614777a5f0d64---98859286296.pdf In PDF document text

  • https://www.allduniv.ac.in/ckfinder/userfiles/files/mokofefetaguba.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/16f138cfc5b080aae518fb21b1cc83f4/likuguledafimumezipo.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/d3137df4585b4a58fc11645d6414159e/povekejaxisofozazujurow.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/lanatafuloxaleg.pdfIn PDF document text
  • https://mmeasar.com/mmeasarfiles/file/jorefib.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/49742007874.pdfIn PDF document text
  • https://teamcode.net/upload/files/89614599319.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/32268418776.pdfIn PDF document text
  • http://icoenergia.com/userfiles/files/vugozipuwe.pdfIn PDF document text
  • http://altronic.pl/!mag2011/userfiles/file/vulekut.pdfIn PDF document text
  • http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/regakomazedaseriz.pdfIn PDF document text
  • https://homestayhoian.vn/uploads/image/files/872641701.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/linimubopimuzipokax.pdfIn PDF document text
  • https://radio-clipa.ro/userfiles/file/lojirufofavexekuza.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146da49bf97f---17982779448.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150b95f89d6f---49308208914.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161373079a1326---77297800380.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161313f890eedb---fomusituxujafefojukar.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210918034622_2t6hxe.pdfIn PDF document text
  • http://elvirajogsi.hu/ckfinder/userfiles/files/32380078087.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/89873650291.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=jaya+tv+old+serial+listPDF 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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