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 69 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://coretry.ru/uplcv?utm_term=how+to+identify+diverted+calls+android PDF link annotation

  • http://kooijobs.in/ckfinder/userfiles/files/14194211350.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161539ea9660f0---46379553081.pdfIn PDF document text
  • http://kossuthdigisuli.hu/userfiles/file/goluseguponosumelezewewub.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/50499805992.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/30285721949.pdfIn PDF document text
  • https://flyags.com/editorResources/file///mukesuge.pdfIn PDF document text
  • http://lasantitosrestaurant.com/userfiles/file/94927591136.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/04b55f2ui3nfhnv8lk46b9is03/kudunoguvuw.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/guloriwupuvebumez.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/podoxoro.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/68421538390.pdfIn PDF document text
  • https://calienglish.com/ckfinder/images_store/files/84691448836.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613304192e68a---99198599375.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/74121462345.pdfIn PDF document text
  • http://parkergeneralcontractors.net/userfiles/file/11760375460.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/dukopozu.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/rezedewixupizu.pdfIn PDF document text
  • https://zagi.hr/files/jumoro.pdfIn PDF document text
  • http://azizolace.cz/images/file/zorimanaxasodezogogetud.pdfIn PDF document text
  • https://vegan-eshop.cz/data/file/5203579582.pdfIn PDF document text
  • https://onlineadda.net/ckfinder/userfiles/files/24128219426.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/77447824312.pdfIn PDF document text
  • https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/38743202672.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/18953892425.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210903073101.pdfIn PDF document text
  • 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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