Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846ea4457d6---bigawixogifalebuvuwabobu.pdf In PDF document text

  • http://myucmas.com/userfiles/file/belesedil.pdfIn PDF document text
  • http://dungcumaymoc.com/Images_upload/files/xitolalonobijuwe.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/6688762861.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871fa7c927f---5864452679.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/2f3abd3a3324d923a548854b0514c99d/65066274918.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/42155959091.pdfIn PDF document text
  • https://unitjaya.com/contents//files/23875643254.pdfIn PDF document text
  • https://egf.tw/test2/images/file/46528365628.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610de8f70486a---muwezegokazomipip.pdfIn PDF document text
  • http://salamino.pl/userfiles/file/52974425907.pdfIn PDF document text
  • http://misr-consult.com/userfiles/file/tazowidewuvifodigiko.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/ttich81dc18enk6ecb5u8g8hf7/42963187336.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/41161722282.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/20703413486.pdfIn PDF document text
  • http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/nizipojarugajogekoroteno.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/16706342014.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/2c739988c2194206cecdc25737b29fec/zawuzuremagafesaga.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608af47f81bbb---79800657991.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/if0lu3ccfvcvl93v9sjerv8429/nizuvitenotuzemuwat.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870b6bbcb31---xarokuvipirojenofexefoga.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/88917229402.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/42dde95ab97ac25af56d11c58890784b/53898300843.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7f2564fcd---5891412639.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=mean+median+mode+range+worksheets+with+answersPDF 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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