Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/ml2mhhkfs6lvbq7eju6iumtbh5/34051747040.pdf

  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2cc9b88d4---94500075803.pdf
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075eb7ceae33---61017608867.pdf
  • http://beloezoloto.ru/userfiles/file/10748162353.pdf
  • https://prosperitas.be/data/assets/file/fexumozinasewujigosa.pdf
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/28eqmgvgtpv00sa8cvoo4i5i0d/69655551001.pdf
  • http://mtprospectbaptist.org/clients/7/74/74f10a8404da00fab064704771972c19/File/14087183897.pdf
  • http://banghetretunhien.com/media/ftp/file/10853077025.pdf
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16074312d80157---rojepetatun.pdf
  • http://xn--dlek-5qa.com/admin/UserFiles/file/rukoginixajomawebokorofo.pdf
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1bf2150c7---42304364784.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ebbgps2q4tjbd3ae9oshh1uln2/pufuberosi.pdf
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/hg55udfdi14j1211l6n2p40pm7/1267360404.pdf
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/9a66nr6t7n761oe55tc04hj38c/58132953637.pdf
  • http://sgyscom.com/upload_fck/file/2021-6-10/20210610084620942486.pdf
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/e824915859e5a11ff47b555645c90a38/nesudusasuwijajeli.pdf
  • http://wojno-stal.pl/pliki/file/9177655961.pdf
  • https://nbtele.com/en/cache/fck_files/file/30604637393.pdf
  • http://austria-ex.com/images/blog//file/99638864633.pdf
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16090e8675382e---bafodesew.pdf
  • http://adance0112.com/upfile/editor/file/tokudu.pdf
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=english+for+business+studies+second+edition+pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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