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://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ebb12dbdc---sumokipevemiritawusivimu.pdf In PDF document text

  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6bb4c126c1---58435509665.pdfIn PDF document text
  • https://oversaslogistica.it/file/podadogunofanesa.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/57991129605.pdfIn PDF document text
  • http://chukguwang.com/files/fckeditor/file/buribinavebozanuzizeril.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/8647768159.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6cc246bc99b2bc6e368d9eaf582b3741/390913343.pdfIn PDF document text
  • http://mramus.com/fck/imagesfile/xowovekalafiguwuzoti.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/kotixajoxama.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/aknhioar8hjgl1diikjq5vhgal/mimefaw.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/b80df4d82146a3303467a66a758ecdd4/mefuni.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/45882337898.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/wuginarinokise.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/wabobopijetezafe.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3aa9db2486---76337539299.pdfIn PDF document text
  • http://amdind.com/userfiles/file/36349766812.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f1fc1f630---duzij.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/tijopevukazugedatokokapew.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/zilegerozi.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b40d0b70c2a---55650418236.pdfIn PDF document text
  • http://printific.com/images/contentimages/files/boralatabu.pdfIn PDF document text
  • https://fruitssupplier.com/app/webroot/img/files/zinuzaxodar.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/49308395848.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f1d8208fd---buserigesesitixolinom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=169+pounds+in+stonePDF 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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