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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://laborke.ru/uplcv?utm_term=next+generation+firewall+pdf PDF link annotation

  • http://157.230.241.115/image/upload/File/mulanosu.pdfPDF link annotation
  • http://yaqeen-eg.com/userfiles/file/79898243813.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612d3746a400a---41060050551.pdfIn PDF document text
  • http://ladna.pl/user_images/file/7480034334.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6dc69f0c2719c445a1611e02c81ecdd7/75120640091.pdfIn PDF document text
  • http://worthingtonpark101.com/userimages/tipozudakisojadesud.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ee4730e60---terexuba.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3121d5ef9---78721769761.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/wisix.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/duwavibekobimunofiwer.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/rizevesomefa.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/9628124036.pdfIn PDF document text
  • http://nhactheducthammy.com/upload/files/27096819143.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/a2e0e4a482cbb56d69787a85ca5dc636/39027549213.pdfIn PDF document text
  • http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/14052693315.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/64890852147.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/55403062839.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/33465597709.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba72b609645---35640813462.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/jobituvufozo.pdfIn PDF document text
  • http://starrwindow.com/clients/863399/File/63198570878.pdfIn PDF document text
  • http://quocteanviet.com/img-chamthi/files/3781191494.pdfIn PDF document text
  • http://crm333.com/documentos/file/witiwizozuvaf.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/28d891ba66a9f16e1b88485b56a31345/junofakomuwupegogam.pdfIn PDF document text
  • 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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