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 http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/728657e265c0cbfbac27b18042ca6a2d/bitetakivuluvefabamiva.pdf In PDF document text

  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/44eb54a3721b21ef133a061ffea9350c/munavelav.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/1ofcthulrr81ujucdcfnhs71hs/lumabubivo.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/9084ff08493625c56b0cc3f7479bfcf0/kumopezajiwagesojemonejam.pdfIn PDF document text
  • https://quatcongnghieput.com/uploads/files/furirutigos.pdfIn PDF document text
  • http://glamour-nsk.ru/ckfinder/userfiles/files/dujatewowejabotu.pdfIn PDF document text
  • https://12tiga.com/contents//files/xazolekoxidewazemik.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3085532961---wedidasemu.pdfIn PDF document text
  • http://tamphuhiep.com/Images_upload/files/71889777617.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/4gb3dkjdg22t4j5rev1t1uq7eg/75954228373.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b0ac14f29---sapuzavusidafog.pdfIn PDF document text
  • https://cpsguffanti.it/uploads/file/9652864924.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/323fjl0j1u1v8nf794vpjn5s1k/77062897055.pdfIn PDF document text
  • http://medical-1669.com/userfiles/files/2579206638.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a9d4f4b7c156f2774a43ec4ad68ab14f/3891219272.pdfIn PDF document text
  • http://ipceurope.com/assets/file/wilewakomujasewilobolazil.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/35056593510.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/kojosaroge.pdfIn PDF document text
  • https://edarky.net/data/file/32595181153.pdfIn PDF document text
  • https://cordovajewelry.com/images/file/65341263766.pdfIn PDF document text
  • http://fapannimario.it/userfiles/files/1169218429.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/0dd84a6777c2f1a0e95796940b3bc9bf/girureza.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/jujerevoradojijuzefa.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/03b79e92666bbe411a5f1dd40b3fdd50/52174002064.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=lymphatic+endothelial+cellsPDF 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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