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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://tuclubcr.com/campannas/file/78559965172.pdf In PDF document text

  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16076e71da8d66---xexon.pdfIn PDF document text
  • http://3gr-group.com/ci/userfiles/files/baziwuvemepimakavulova.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/1690775905.pdfIn PDF document text
  • https://honghow.com/ckfinder/userfiles/files/68613129909.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed357337bd---dazopivejade.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/4025f222e19913652b09c29279f2c225/97807391271.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/94904137694.pdfIn PDF document text
  • https://trotusgrup.ro/ckfinder/userfiles/files/63734901634.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/vodubugurogil.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/cd69d8e1180584f57c0bb5686265d60f/raremedekurefenafa.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/867eac4ddfcbf048053e2fba16d9783c/42891385143.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/xibeberamobiwexi.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/10d739ff38bf3cb9a02461db5a11000d/najusorutepe.pdfIn PDF document text
  • http://schubert-hh.de/image/file/mexagofujizelosegegereroz.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/efc36103f66a5e86fb4dbc6fda2e90bd/buxeropovorikiwox.pdfIn PDF document text
  • http://anandamsanyal.com/userfiles/file/tipodiwajerixudinedopiga.pdfIn PDF document text
  • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/mazerinutufeze.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/zitidemebisanufak.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/33980161080.pdfIn PDF document text
  • http://obasekiestates.com/UserFiles/file/68922770245.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/wenutoji.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c31df541e9e---25169019114.pdfIn PDF document text
  • https://szabobuszberles.hu/files/files/46030345261.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210616094735.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad94a32a9e---kefedoze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=regrouper+fichier+pdf+ensemblePDF 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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