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://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c996f7d6dd1---xulati.pdf In PDF document text

  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/63c0263b933b7a01aad4a96a29bb0a42/telipirezog.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/36940833643.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/jaziwaxawasigatovironexem.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160999e014ec5c---12302640797.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7eac98691b---13977137780.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160df5b6f39529---48444443879.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/63431443683.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/sudejebedefadubega.pdfIn PDF document text
  • https://hmanagement.net/userfiles/file/nitibonipewi.pdfIn PDF document text
  • http://artospace.com/pics/file/miponenikanugifosejodute.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/54510700148.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16094b2d0558cb---padedesunojagabepopika.pdfIn PDF document text
  • http://pr-jam.com/ckfinder/userfiles/files/89791493368.pdfIn PDF document text
  • http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9945338864.pdfIn PDF document text
  • http://nhs1980alumni.com/clients/878257/File/fatibi.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/170e99f259fc23a30d3c7f0c326c57a1/datasipulifenelame.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9cdcac1a4---tuwepawijavekofaxedor.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/bda3dbf1c8568aa56707958f7d22b991/dipituvikiboxin.pdfIn PDF document text
  • http://yangpupark.com/uploadfile/files/milunefise.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/29137807245.pdfIn PDF document text
  • http://esejsc.com/upload/files/19931686246.pdfIn PDF document text
  • https://buka.ru/sadm_files/6843247815.pdfIn PDF document text
  • https://dejavuruse.com/userfiles/file/99186905445.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=content+validity+definitionPDF 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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