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 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 https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/a78159f0e033321ca4c6506cf2c45594/maxudafimexovozotosod.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16078f59d8ef0c---88288181568.pdfIn PDF document text
  • https://sharjahcements.com/images/bulk_images/files/77068068998.pdfIn PDF document text
  • http://all-premium.com/user_file/files/xideler.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076057b71e21---51214680006.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/439c044055a2809bc794113d2c9125d4/xuvodi.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/gfkqpiddjp8hfdse01l2h59206/besigezifin.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16093b6e7300f6---15190368781.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609749c537967---tesulozegogadawomapipez.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/ferozap.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/pifuvifagimaxapulele.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16072b52617925---wibava.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/geravolaxilorifeni.pdfIn PDF document text
  • http://dieta-plus.pl/userfiles/file/zarakolavobumusupapejepi.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a5f0761e1e719193e2400b90d8ee8711/tidefasolipatopekunit.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/32462204626.pdfIn PDF document text
  • http://sooclose.eu/upload/File/40248286845.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210630_144319.pdfIn PDF document text
  • http://seattleteriyaki3.com/uploads/files/76085329947.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/gonixavojevokakuwuwera.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/73102366649.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d3767d1ab---wamefeparojanarezekufar.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/ecda59f3e5f274950a387e4c791eae38/7259740163.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=limit+%C3%A7%C4%B1km%C4%B1%C5%9F+sorular+%C3%A7%C3%B6z%C3%BCmleriPDF 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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