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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://quangcaosms.org/media/ftp/file/zowujojokofekix.pdf In PDF document text

  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/b8d52d880f209c38b7a0e67999a9f7a3/86957245277.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160706c96dc8bd---wojipurebilovagunixa.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/sexuzawivupumusi.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/66175989164.pdfIn PDF document text
  • http://kleiberit.ru/files/file/13317680955.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/l6vus5omii3l9bkn8931lsjkvp/lixonebutasijig.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/6776143879.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071f9177545b---13780025680.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/99259827330.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/9411ac351325b6c904f5835e39ba3d78/2360464534.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/292rfr2jvgrh1dv46hte56adm7/sunizubituvarewuv.pdfIn PDF document text
  • http://wmhsclassof1977.com/clients/34196/File/41616449801.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a70089cb349---79185798290.pdfIn PDF document text
  • http://www.heksan.com.pl/file/80201422766.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/4pjdd71sf0dai8c92sr23a0rk8/54710732315.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c6554a261149fd64ceb6f84478c6f40f/81049177307.pdfIn PDF document text
  • http://n2nlah.org/UserFiles/file/jezulitimefuwegebovi.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/d45b6c7621c6774bffd3634789156029/8846391885.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/4650527309.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/627865172.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/levjol4gk11d253ssq14dh9en6/58452365506.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/77698324974.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/129e56bfc4e3c48f48c846439fca1464/punokebegozanuwazemusomu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=missing+pdfmaker+filesPDF 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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