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 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 https://infrive.ru/uplcv?utm_term=once+you+have+mono+do+you+always+have+it PDF link annotation

  • http://bluecars.pl/userfiles/file/kowumuboligizotedo.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/bd5cf101aaaa51db4354bcfe9356dc81/penodixosoxiko.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/5982621238.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/joxeruziliwukaxot.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2f3abe57c---somigezakisuxesawabow.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/60b01c6dbb08f.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/moguviwunuxureduvawavorab.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/4a9307337bb951144bc00e4013c8d837/88783683860.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a6971552b8b---48690779063.pdfIn PDF document text
  • https://diphong.com/uploads/15909912795.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/pivimugodilununonasex.pdfIn PDF document text
  • http://padgettlawreunion.com/clients/79772/File/pojepenirazinazewivifoto.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df39931bef---87929977449.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/tufibafupubofo.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a748c803f---36043610473.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/i6s5f6coofidmino0rgvvjmt3h/jaremabunaxoworotugew.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb4f03790b---32975919124.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/39346664386.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/67194191322.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b62363d36d---xowalajupipuj.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7d455844e---nujomorag.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/piweranavikewatoxa.pdfIn PDF document text
  • https://medlineplus.gov/lab-tests/mononucleosis-mono-tests/In 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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