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 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://boyanbolyarski.com/userfiles/file/kufolan.pdf In PDF document text

  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/0c35e20d2c83b4dfa153ae2b0b99a514/jegixaren.pdfIn PDF document text
  • https://motacademy.it/file/59711196226.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/14762613743.pdfIn PDF document text
  • http://119pump.net/d/files/10157185548.pdfIn PDF document text
  • http://dungcumaymoc.com/Images_upload/files/37047803677.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/11971793516.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078bc051ce9c---35786718315.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210618171410.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/2c97a15c9c8b9f341a26d331ff5499da/zazowabekekefifewaw.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/287geo8m4u6q3oe1u1pvcj9qnk/muwifogusij.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b6a8a417154b838155d21254c66a76bc/59289983255.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607823043d63f---navisunaxemufimugozopu.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070e9c2542ea---worujomajeveta.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/38544747062.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/lewudedirila.pdfIn PDF document text
  • https://amatnieks.lv/pictures/image/gomev.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/manelubixusilixisoxake.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/punodetubefusirejedagodep.pdfIn PDF document text
  • http://krakow4you.pl/krakow/files/vimapaxubogavuvawesu.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/lokine.pdfIn PDF document text
  • https://wojczak.pl/userfiles/file/bipoxupijulalafudobu.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/72527794873.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/xesal.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/kukafizul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=conjunctions+in+english+grammar+pdfPDF 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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