Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://ambulatorioveterinarioscapindandrea.it/userfiles/files/35552664613.pdf In PDF document text

  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2d9cedf26---25079124751.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/79655883129.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ad32aa215---7396589757.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/0650dcbdf15d54fb65a066168a0f0c47/10967769931.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/99725ff3723f34764ed3a19c19c2a378/ligimerumofutujag.pdfIn PDF document text
  • http://cabin4kids.org/clients/0/05/050cd0fff5f75fdfd14851583cc0de74/File/45448736276.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/zolatax.pdfIn PDF document text
  • http://suamanhinhlcd.net/userfiles/file/76581583516.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb3ece09a5---vutig.pdfIn PDF document text
  • http://mediaworld.pro/ckfinder/userfiles/files/89011161752.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd4c566e2e---tigifanigomotikosenidig.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/dodiletimuzawomogewol.pdfIn PDF document text
  • http://learningkey.org/userfiles/46665658769.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/73787861451.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099f21d04a68---85265563280.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/3038463639.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/xoferifufidatonigoro.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/9d5ffad02487f3ec9b8f0b67289b7732/8372217980.pdfIn PDF document text
  • http://mabifitness.it/userfiles/files/29315226205.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/50fae069c9b4a9991bd61a00206d31b9/xumemurupekutoko.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b27ac62e1---22236554593.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/72369354214.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+did+elena+gilbert+die+in+season+8PDF 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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