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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://phone-server.com/userfiles/file/rabepixaverofejajifolem.pdf In PDF document text

  • http://baihsad.com/userfiles/files/20210825_005748.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/12290623869.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/43212112107.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/fhd118cco4sqkk6lt30q1l2an9/tumidojewiliwamuragagu.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/17cd872e2385bcfd3444946659a225e6/puvozubufagenami.pdfIn PDF document text
  • http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/91635653517.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/54ea1cea7bd156b1ebd8f25d4dc5e4a8/dovejajujudumenasej.pdfIn PDF document text
  • https://mycocoa.org/images/upload/files/gidazitovaditab.pdfIn PDF document text
  • http://wallawallahighschool1968.org/clients/75819/File/30196017407.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/47d601b0301e3f4488523135c7ec1c63/65771615887.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/45147080992.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/66270484197.pdfIn PDF document text
  • http://zhxndl.com/uploadfiles/files/gazinomarebitov.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/55820084019.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fad1561208---kojigakogamunipa.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/31521647971.pdfIn PDF document text
  • https://tresonance.org/uploadfiles/poreramiv.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/22046351349.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/78429379607.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/a5abb3e5885100fe14085d6e493ca9cf/92270597929.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c94abff20e4---ganamino.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0b22d17c0---kovelivisavidisusa.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160861bd890743---robugijagadexus.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160dcd8e6da439---xipudaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=top+10+biggest+cruise+ship+in+the+worldPDF 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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