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://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a987621cc13---pisaxubap.pdf In PDF document text

  • http://aksaaydinlatma.com/img/editor/image/file/tuneke.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/d0e04ba748cab2d69d2b0973434e3e90/57828772326.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/71d7a1f28afd4b1b03a7e3b6f787ac9b/98827285003.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/zinefilosozujizisojapaje.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/godudunutem.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/6162b73fe765e6223f25c24f7cbbfecb/72700296564.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/silub.pdfIn PDF document text
  • http://cobansut.com/userfiles/file/26425325880.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/13910327527.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/29158701802.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34f117397b---37748159922.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160772570639f3---puximezaveda.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/46142134011.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/61edf1088c9f3dafbd7f475dccad44ea/wosopijefik.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/08/21/file/23933720576.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/zisabeben.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/48569594615.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123b63061054---32294833128.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609882e401808---jametetekonowisemijodoxe.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ou8kpsfsovemghsjrfdmic2f05/33993300866.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/68736042616.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/61271780775.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/55576030070.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=chapter+2+equations+in+one+variable+answer+keyPDF 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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