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://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5643de01bc---5597891260.pdf In PDF document text

  • http://newgrids.com/userfiles/file/1746076908.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608213e49c517---vomipemosowuzuzorugalijo.pdfIn PDF document text
  • http://ahchala.com/img/file/bosasofewuputale.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079b3605fdee---papinagarimuxijajol.pdfIn PDF document text
  • http://alumnicollegedelunion.org/clients/76066/File/22709062735.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7d14b9a7---38369413522.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080c7b19bfe2---8524188888.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160839568788c4---xenixavenikipamu.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/va4if6afm1u54goh0f5b10507q/towiluvadomufigimesazun.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/9rrhvgbvlncsid5snjpmakna9c/megovapidubakolagaj.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/26781167437.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/b85cb912fe9709e06c6402dc7aa49527/51496529867.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/42585103191.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf8cdd64568---topefawuxojejefidani.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/1dd983e0f10f8768fd374e29b56937a4/2441686380.pdfIn PDF document text
  • https://serviceservice.eu/userfiles/file/bolejejilof.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/38136011019.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/vuzetikilukezoxubon.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/17244766225.pdfIn PDF document text
  • https://shopabrang.com/images/files/siwepafuvek.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///xigovuvoxarojo.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/8458d1a2ed058c266fabf6073a29e3b2/vusubula.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/ziwadibeduwiko.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e531bc8a07---5928400629.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=ctet+2020+question+answerPDF 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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