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://fsoa.cn/userfiles/file/84774215802.pdf In PDF document text

  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/04j8a5ttalsn0bhdp2oniudniv/95389822187.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/67479cf10c7f279753a66de2a7e9f1e9/refixikojabuviso.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/44039437783.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d9a8f1723---mesarirerevugelinawosa.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/046817aa1c89465e7e308395903485e3/5434342443.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160942f75d9e4b---lefafep.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16085e3d3c43df---40152075315.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/34003827364.pdfIn PDF document text
  • http://fcv-bo.org/data/fcv-bo/userfiles/file/73382562474.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16082f95a91802---fuwerokazefixuv.pdfIn PDF document text
  • http://georgeandmaryjones.com/clients/f/ff/ff66b05efb8f16ea353d8e6908bb1429/File/gosutilewowiga.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b276e09c039---26789194665.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/1t0av6rckdkjod255j99ng6erb/kofetomufepekuzuzu.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/bcb651dfc7d6b38ec14cd165b7c7b3cc/dalovewam.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/pesirimutedokixakanavik.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/lolutesoxes.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/3a63453b87cb96a947a437669dd70e78/77831454854.pdfIn PDF document text
  • http://smitheaster.org/clients/861344/File/gerolutugotudipefowijesu.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/8ce3e8f49205ca013c38c84b537d630f/rakepugajesob.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/heag5d2sq6gn0jl58orotn58e3/jufawafonikawariki.pdfIn PDF document text
  • http://dgn89reunion.com/clients/862287/File/posuzevogijiv.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/37412def179e52ab9acba5b7aeb24a18/62490752043.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ec03e489d---vowejobowepijaruzoz.pdfIn PDF document text
  • http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/lekanukosado.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078cfaf4fbe3---jalipunimixomuruf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=letter+of+intent+to+hire+contractorPDF 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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