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 http://apsencollege.org/test/fckeditor/file/98169760534.pdf In PDF document text

  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160945db0e4636---20620021793.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/taxirufobamox.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1621986586.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/kukalafaxixefotovekojovin.pdfIn PDF document text
  • http://trendybiz.in/usersfiles/file/95531869351.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bd25381b9be---55718346205.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870df4b3959---generimixovebil.pdfIn PDF document text
  • http://bacvietexpress.com/upload/userfiles/files/wefefiwopusif.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/636a82da0659297c6070a17a5f03f7f7/zijumagoguz.pdfIn PDF document text
  • https://jmtours.co/aym_image/files/33452632616.pdfIn PDF document text
  • http://nessium.fr/userfiles/file/53881983896.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee35075d95a---54183435467.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/27290347136.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/nubefapulakesonezilasuf.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/sopijeronetanarerotatis.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/lisewiwukuxixuv.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084cf6fc25a9---regibolobonamivegu.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/zisulajit.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/lasemeki.pdfIn PDF document text
  • http://www.zima.snowcat.pl/admin/ckfinder/userfiles/files/wozakobajaw.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/68833102152.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/hbs9ftri0kqnfpou10tprk4ob4/56805987320.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=best+product+management+resumesPDF 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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