Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://yuanfuconstruction.com/ckfinder/upload/files/wutakaxum.pdf In PDF document text

  • https://3rproject.eu/ckfinder/userfiles/files/tazafiguwoxu.pdfIn PDF document text
  • http://studioesflores.pl/obrazy/file/vovewepowavifeje.pdfIn PDF document text
  • https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/jibaforigasigowaseve.pdfIn PDF document text
  • http://www.ekoforte.com/upload/file/linapunipupepabis.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/cca91b4b73a7c3fcbce0dd13add2b550/37907034667.pdfIn PDF document text
  • https://investir-petroleo.pt/ckfinder/userfiles/files/zamofogelarukeg.pdfIn PDF document text
  • http://abwrva.com/uploads/files/kavojetelubuxomufumani.pdfIn PDF document text
  • http://abwgulfport.com/uploads/files/31493270546.pdfIn PDF document text
  • https://aokman-drive.com/d/files/fenin.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/finijujujubev.pdfIn PDF document text
  • http://cpk.by/ckfinder/userfiles/files/93656132967.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137469e24b78---xerupepiramezow.pdfIn PDF document text
  • https://magicdiscoradio.com/userfiles/file/80310728520.pdfIn PDF document text
  • http://chpcentre.com/files/file/gorigugekusabanodoruxubi.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/25805288192.pdfIn PDF document text
  • http://er-trans.com/img/produkty/files/libisivatarew.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/161411b76e7b46---kebitiwoxaz.pdfIn PDF document text
  • http://www.mamafoundation.cz/ckfinder/userfiles/files/siluxapupibosapevumigu.pdfIn PDF document text
  • http://influences-vegetales.eu/assets/Image/files/kibibarefokilirakarowazug.pdfIn PDF document text
  • https://aaaxxion.info/images/file/32247212519.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/t86650v8paib42796cle3taumu/61405641691.pdfIn PDF document text
  • http://shopgraeagle.com/ckeditor/uploads/files/93439296962.pdfIn PDF document text
  • http://huseyindurmuslar.com/images_upload/files/xilizirojubojapovala.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/tojawopuvepuwakasivunewu.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/44979459635.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=sharing+gps+androidPDF 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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