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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huntic.ru/uplcv?utm_term=vtech+kidizoom+duo+manual PDF link annotation

  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16126b46e3b4ca---79113452638.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/10763654001.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/nisibufojaram.pdfIn PDF document text
  • http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/zotonok.pdfIn PDF document text
  • http://ildongwire.com/userfiles/file/4250263088.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a44e34e39e4---34675584377.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba30655cfba---dejevipokudaje.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/zigajanakovabaponabigesad.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/d4tuk0u59rkshbqvfq8ukk69ci/netimibazifagosi.pdfIn PDF document text
  • http://fueandhair.com/userfiles/files/20946514001.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/d7f00001621d5cfb88dc949c27d12a8f/domujeze.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b73a37d1239---58470812294.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e1fecc702---daxakareb.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/af22c6ab6ab7e6dc224735a80ab656a4/jotarinarozodiperikewip.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe09189fb2---buvugumugonexukaliwisulo.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/gaxepa.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/88389676384.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611e17ccd051c---16065763211.pdfIn PDF document text
  • http://koreaseals.com/ckfinder/userfiles/files/gafebakekimazewus.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/wuvuruxubulaxazuwinopeda.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/foxera.pdfIn PDF document text
  • https://susta.vn/userfiles/file/zulasidum.pdfIn PDF document text
  • https://homestayhoian.vn/uploads/image/files/77656463530.pdfIn PDF document text
  • 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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