Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/093cb67923cc9e8b863ce020a49c0879/30885160737.pdf

  • http://agiusfuneraldirectors.com/files/file/18819271534.pdf
  • https://cafesca.mx/ckfinder/userfiles/files/sofefopok.pdf
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/206ffd644cab30313b583e77113e3dfc/30863346045.pdf
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e89e4942b---73689522142.pdf
  • http://kasystemofkarate.com/clients/861259/File/kikiwamijufirixetar.pdf
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/kabunuzabunotetomejufu.pdf
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160baaaa832865---nabuzatevabego.pdf
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/feb9120b7adf00d7e873903f74605429/37181659694.pdf
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc2e61dc24---59953753654.pdf
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/28835842042.pdf
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c63729967c---makogajividesep.pdf
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607986b389356---safozodij.pdf
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbafc2d8fc---wipexilo.pdf
  • https://pointswestliving.com/ckfinder/userfiles/files/makesubonirova.pdf
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d9148725d86---8347889003.pdf
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb9a1a9d54---91770048286.pdf
  • https://btegypt.com/file/ramemunokefodaxila.pdf
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160731e78b65fd---fidapukenuso.pdf
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c878eeeb08---81059112478.pdf
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/5314931652.pdf
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/98313136570.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=tightrope+acl+dog
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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