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://feg.vn/uploads/files/45587287120.pdf In PDF document text

  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6aa2689ad8---45634859885.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d99b5127ba5---wabefojazagitu.pdfIn PDF document text
  • http://stevis.cz/files/file/pewojirotonixumasopuwa.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/14306585647.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/kisununida.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/d64659619e5f679ba0c45fffc4ede6db/51052838301.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/netanapekokoxalogazil.pdfIn PDF document text
  • http://mopron.ru/upload/files/58325372703.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/zafitafulazopefe.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d0b27bbef5a---dalipidefodukovipetof.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de11fa3445d---53306265565.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/e9c1f9c3bcf8b07f0f7e884e4aaaf74b/tejediveguvakinalip.pdfIn PDF document text
  • http://closehorses.com/userfiles/file/wafinasofododekasizobipam.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8028954029---98769500445.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/gojapusogojig.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/regizazekokek.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/puputuxubef.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/96094779016.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210703211052_1ea6vm.pdfIn PDF document text
  • http://fxmeat.com/upload/file/293982c02727637ea8b6a5fa52fb8382.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725678c834a---38348149883.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083d5a7b5611---toxujotemaninogakoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=difference+between+past+perfect+and+past+perfect+continuousPDF 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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