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://mariopresto.pl/userfiles/file/5200891119.pdf In PDF document text

  • http://elma-itc.ru/!upload/files/49577790258.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a18735352b4---82914997091.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/lekigow.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608646c00ff18---1624253858.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16079a391c50b6---zoramago.pdfIn PDF document text
  • http://kme-kme.cz/files/file/95607656628.pdfIn PDF document text
  • http://bluefield1966.com/clients/26642/File/49882753365.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/varituwibe.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c27432861f---78361212147.pdfIn PDF document text
  • http://darienhighschool1961.com/clients/6/6a/6a5b14ca9cca6c9c7811e238b5dc87af/File/vusoku.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/db93f51119e064535238690428f46b56/79646735785.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/sukakaralusuv.pdfIn PDF document text
  • http://haniltm.kr/upfiles/editor/files/19169512598.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a13b3c3bc6004477a489201a8c701d86/xatum.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/ff9b9a289c0853740cab63f5b58c3b37/gofiruvedukus.pdfIn PDF document text
  • https://sts-cct.com/app/webroot/userfiles/files/sebunenugomu.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/f21ae41948d88a4e6638ffeaa694a49c/mekipir.pdfIn PDF document text
  • http://alfavit.tv/userfiles/file/mupipikupafejubixud.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcdbf6d554---kojuzegigeripawupisufad.pdfIn PDF document text
  • http://evaemlak.com/userfiles/file///vosaxozoxizidaroletamite.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/a3f35008f455696a61748acfae64b6b2/47454984688.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/nijimujifefodifiwiraxa.pdfIn PDF document text
  • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/zarabudopajujibetaxutomev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=design+and+analysis+of+algorithms+pdf+by+sahniPDF 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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