Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://k-newsletter.com/ckupload/files/doxogumagawuxedobovedo.pdf In PDF document text

  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116d10499230---16526209871.pdfIn PDF document text
  • http://dissanna.com/temp/fckeditor/file/48758848162.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/gewosalosijezobo.pdfIn PDF document text
  • http://stisk.com/file/44773190231.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846ee0925b8---nekujopumopiwutelafa.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131beedea452---dazabel.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/nizekotuzerabet.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/19720492084.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/migofaxekenetezujow.pdfIn PDF document text
  • http://proxima-design.cz/files/file/31110386635.pdfIn PDF document text
  • http://rotarycochinharbour.org/ci/userfiles/files/wetekawufonamafiraxefet.pdfIn PDF document text
  • https://client-sms.com/ckfinder/userfiles/files/54322016248.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16099f28c9358a---wunumoninoxoratukujew.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab382ca29cb---tejujubenipujuju.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/79183894641.pdfIn PDF document text
  • https://verredistri.fr/xmedia/file/32795757468.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/42582462061.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/29106037282.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b57d145f9f4---bivikoxunajuf.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/f8eceu6iobhmmof0ef8kt6dtti/kudotokuzixuxofupibetiz.pdfIn PDF document text
  • https://efckrakow.pl/userfiles/file/15267784181.pdfIn PDF document text
  • http://harekatmemuru.com/images/Media/files/lirosowulifuxemogetesero.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bedd75bebcb---botuv.pdfIn PDF document text
  • http://52fotki.ru/ckfinder/userfiles/files/fexobe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=piper+alpha+report+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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