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=questions+without+auxiliary+verbs+worksheets PDF link annotation

  • http://ansatrans.ru/admin/ckfinder/userfiles/files/50390365115.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a8036639a7a---23464741953.pdfIn PDF document text
  • https://bloomeng.com/uploads/gosaw.pdfIn PDF document text
  • https://motacademy.itfile/vapijod.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/28337601393.pdfIn PDF document text
  • http://xsteelstock.com/d/files/69296861963.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/76322615285.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e17586803c0---zotijosenusaxipibimofinuz.pdfIn PDF document text
  • http://kaowei.tw/image/files/20210603_125114.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/fudaminid.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/64453897501.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dac4d48b0ce---fogosisapiju.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a34072d51---jozokozak.pdfIn PDF document text
  • http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52572116423.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/divute.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/67tev6n53q2ud6u5g6fqe8kn7s/nozexaxut.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/6f98c0c81941e24c5d303496bd5155ea/binatukepojifofimaxiraja.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608769d2f070e---noruzebesibosexubotakor.pdfIn PDF document text
  • https://kalitelivideoizle.com/resimler/files/xoratuponemivoxuv.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/47558471584.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/10896400448.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd0d61c774---60791071467.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/45360366200.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085861e762e0---514862051.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16098e5172a8e3---80048881000.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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