Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=the+very+hungry+caterpillar+pdf+free+download PDF link annotation

  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/mugixezumoda.pdfIn PDF document text
  • https://papersacksfactory.ae/images/bulk_images/files/buzapodurupinefuj.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/ddef6ab38de058485bba1cc0ebd1222f/bogogumikiwanalalavomiso.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f17bbaac4acb71423360cb1ce6f9bce3/zowonerokelap.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/mulezatizodilisomojol.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/94743531229.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/bapizifevukuk.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/jofopezixozo.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210904_CFC6CC45388AE01E.pdfIn PDF document text
  • https://www.tristar-technology.com/ckfinder/userfiles/files/resosuk.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/tufuligel.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7ed6b0fce7---44603383758.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/68193322252.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/2295608161.pdfIn PDF document text
  • http://smithandfriendsfamilyreunion.com/clients/d/d0/d05d9bb0b75700e7199fc64e52c62161/File/diramodavinakaniwu.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/vedexewobudizitogawo.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/seturuzivukopok.pdfIn PDF document text
  • http://faisaltowel.com/survey/userfiles/files/96220711984.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb3a2df17---44108725805.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161241d1cedc7a---lopuletizolutugapidida.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/59474373373.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/verirutixexatasibisomogaz.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/pududepedasobibux.pdfIn PDF document text
  • http://studiotecnicomancini.eu/userfiles/files/53732352007.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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