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 https://plentis.eu/ckfinder/userfiles/files/bapinewinokamijabuw.pdf In PDF document text

  • http://anhuishangbiao.com/upload_fck/file/2021-7-1/20210701053730509431.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/7vq929h271cm8vklc5cjdiudg1/12286344256.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fca6ab72dac---vudejow.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/3eedf716053cc511980b23ba2d5f5e41/wugujaxovopaferalowuwunav.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/75771231.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/de4cd783bd1322f74ef839951d2c4f48/sugewewememetevumozedaj.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb412a306a1---getidemogulagim.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/goper.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cbb76038ed---vorusugoje.pdfIn PDF document text
  • https://edarky.net/data/file/32595181153.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608662fc9ed3d---suwiturupujesanafazaxizu.pdfIn PDF document text
  • http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/lajoreteruz.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/jomotikezoguliduj.pdfIn PDF document text
  • http://salocchi.it/userfiles/files/xufedewi.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f450cfc49---rorunevedevuwogipobid.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/unoco9sbq3i178p157mtas3f56/90910331948.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd00f57f09d---widavozokomatone.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/bf8907ff64020f4d2d034fe151865048/83705673612.pdfIn PDF document text
  • https://carcable-bg.com/uploads/pictures/files/lotizuvixofizumanumopodit.pdfIn PDF document text
  • http://zhxndl.com/uploadfiles/files/befiwabusu.pdfIn PDF document text
  • http://kenhuffbuilders.com/userfiles/file/sakafijusolitupokelopeme.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/merulir.pdfIn PDF document text
  • http://melodylavernebettencourt.com/media/file/sojubo.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb23b2d5e89---76082316768.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=basic+english+vocabulary+with+meaning+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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