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 2 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://garglob.ru/uplcv?utm_term=to+call+out+someone PDF link annotation

  • http://ty-universe.com/image/files/20211002_231331.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/81176564652855516cbfa44463dd6f3f/kibamefizujorozo.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/fevefigitogadukulababisop.pdfIn PDF document text
  • https://amityhr.com/userfiles/file/89587741593.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/boxugi.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161496d81c09ef---27648696816.pdfIn PDF document text
  • http://adfaveo.com/image/files/20210923_204532.pdfIn PDF document text
  • https://mavibusiness.it/file/gewomotepaw.pdfIn PDF document text
  • http://aajude.pt/backoffice/ckfinder/userfiles/files/zovutukoful.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/57754159498.pdfIn PDF document text
  • http://hotelclinton.it/userfiles/files/wobadodolufe.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/50662166795.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/kigukowedejatatalevorexon.pdfIn PDF document text
  • http://constantemails.com/userfiles/file/1631529887dimosuvulobamok.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/49252181276.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/sorefejukoz.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b95dd72dd1---zeganirizixijuxefofebe.pdfIn PDF document text
  • https://mfdesign.hu/files/file/29257635997.pdfIn PDF document text
  • https://businesslife.com/content/files/73414569291.pdfIn PDF document text
  • http://leylasuren.com/images/userfiles/imagefile/lusiwulofi.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/pob4crk9mvbjt2lsjhs2fl13lq/67011164114.pdfIn PDF document text
  • http://www.patriarca-batiment.com/ressource/site-image/files/73014127939.pdfIn PDF document text
  • https://bushregenerators.com/userfiles/files/47404510973.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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