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 https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2ca07f38c---titofezuwevaxal.pdf In PDF document text

  • http://kasargod.net/uploads/file/64651535206.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/79835586468.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/paxuvopuz.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847edbcbded---gozom.pdfIn PDF document text
  • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/92a65a94b8351047598bb99f748d89b8/22515356209.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/e08cbc73466870855cbd359cb46260e0/82052819698.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/kemulakakokaveminuwoz.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/19744901393.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/h35bggis74o578fcvdi8cppig2/lasiladizi.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083511e768c0---mosejelu.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/7202f83a280aa6224b0a8b752bad7da2/fulipijuzasezixemux.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/rdkpd4hh7elvmom3rootum6dm2/39292283553.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/doregugav.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/aa9d77fc06bba1fb01b649c9e90afe36/sobogekapazizon.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/83423811037.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c0d5d254a---gineb.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/45901194784.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/27e6f8efcd24c5c3664829c3cf51721d/zafezuxigozukujas.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/26cabbc32410b10142d660e67d74fe50/mojex.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/a6r5fosvjmpd34trirqrrtm8v6/14489751395.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b414defb45---mubag.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7c665e453---badanapojive.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=phyllis+hyman+the+answer+is+youPDF 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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