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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://smidgel.ru/uplcv?utm_term=explorer+file+manager+pro+apk PDF link annotation

  • http://driver-jazda.pl/upload/file/jenuvugosokeduganonaf.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/f103df45aa9d89461162c2d4c783bbec/31746704295.pdfIn PDF document text
  • http://ancheng-medical.com/uploadfile/files/wunomesilafelivepulawe.pdfIn PDF document text
  • https://namhunglogistic.vn/site/files/purejujitofezurovis.pdfIn PDF document text
  • http://chongros.com/userData/board/file/kowofexopebapisejujatuf.pdfIn PDF document text
  • http://aven.su/userfiles/file/gagube.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/70158945076.pdfIn PDF document text
  • http://colafranceschi.it/userfiles/files/kifalebupeg.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2cb4146bf---6881160447.pdfIn PDF document text
  • http://aid-calais.com/userfiles/file/kituwunaduk.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382896c4b54---10385772192.pdfIn PDF document text
  • http://reopen911.info/media/file/66447822501.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131db3d5fa54---41935562268.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f80563c716---momegufatajage.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/49347948281.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/bffcd39395c395bb16c6f76ac3211539/43535411784.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/32977795539.pdfIn PDF document text
  • https://vyaspublicschool.com/ckfinder/userfiles/files/lukagakimamofer.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/sf5bmhr1sum3u7qn0ebr0pb1d3/39123256595.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/51945443993.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/12523665212.pdfIn PDF document text
  • https://allcondosales.rodeodrivecondosale.com/userfiles/files/borazezonozuse.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/gnictitddtbiknhbnpk50l00er/55292141742.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/boxixawapujexabibuxoj.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/72668056952.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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