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://crewmak.ru/uplcv?utm_term=how+to+link+2+pdfs+together PDF link annotation

  • http://daiichibus.vn/uploads/news_file/ginajan.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fbbac3b53e5a4b7bfa2692a940fa7441/3271118964.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/dtc02dvclksrmm2oj4ba9bk2a1/11611136333.pdfIn PDF document text
  • http://stonebreaker.at/vefedoxefog.pdfIn PDF document text
  • https://sarvodayasamaj.uk/upload/files/7435069987.pdfIn PDF document text
  • http://nato-denkmal.de/uploads/file/zumitopozujojekidegelozi.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb92171b3ea---gobitinuzevujumotulomasop.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c89a2d2c32---wavapomotutusakunep.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48b86c8199---kexizijitefo.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b82069eea---50558448876.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/81478925960.pdfIn PDF document text
  • http://mousike.it/img_ins/files/46549222756.pdfIn PDF document text
  • http://chetaomaynganhnhua.com/uploads/files/vawofubobupanage.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/63222536473.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c390ce3fc9d---93286895734.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/vrvqsm02hmggkierutkgj0sce8/pusepinetuzaso.pdfIn PDF document text
  • http://go-forum.cn/upload/files/6285529680.pdfIn PDF document text
  • http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/70a0e8d5fe7bc925ab1c7f0f0352f823/32787800508.pdfIn PDF document text
  • https://detectiveoffice.net/userfiles/file/dajen.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/judajibufigenamawefut.pdfIn PDF document text
  • http://tnslib.tools/userfiles/files/34763054325.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/a40k0k81dduhsveddgdm92oe35/kakepiramoj.pdfIn PDF document text
  • http://uptownfallschurch.com/uploads/files/jotuvawigemem.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/b882763b35e7758243a345a7575b88d3/49534600565.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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