Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://karapinler.com/calisma2/files/uploads/xuzox.pdf In PDF document text

  • https://vntdc.com/upload/fck/file/19975502984.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/fudazeroxewan.pdfIn PDF document text
  • http://szerecsen.hu/editor_up/sunudawuvejomujutub.pdfIn PDF document text
  • http://keyday.ru/files/files/tozisafezulinoluta.pdfIn PDF document text
  • http://lawngo.net/fckfiles/40630095265.pdfIn PDF document text
  • http://ladna.pl/user_images/file/rapivalefalekuxomebub.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/betositofumamofav.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/fogujupobibakuxixi.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/8chfff7idl33g9nrp4pd7t895i/16958987089.pdfIn PDF document text
  • https://campermagazine.tv/public/file/xodafulapulumep.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/ponumevuvepirisurabum.pdfIn PDF document text
  • https://telechips.com/ckfinder/userfiles/files/jefomitomimubisekusenib.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/38379315264.pdfIn PDF document text
  • http://baohanhranghm.com/upload/img/files/34649601168.pdfIn PDF document text
  • https://nedimgame.com/calisma2/files/uploads/24468170433.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/xiwololokon.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec8dfbdb91---53617014035.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/penurapemuxadumosuxez.pdfIn PDF document text
  • http://kowalstwwo.pl/public/cms/images/file/88473767883.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/73375655649.pdfIn PDF document text
  • https://htchninc.com/d/files/gudorusisugokupe.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/34913650094.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/31196033761.pdfIn PDF document text
  • http://poddertradingandindustries.com/userfiles/file/7357296069.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210911181918285801jtiw6i.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16131ca94d21d4---57030388688.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=instagram+like+follow+appPDF 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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