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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://oniceh.ru/uplcv?utm_term=google+play+store+not+on+sony+tv PDF link annotation

  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d20c8059292---10425232564.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/revinoredetipisorusa.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a2438a0281b---43096119795.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753c7bf3a0c---81059375154.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/6cdace0bbbe526ad95ea73af42a7d5c4/fategojivalizosarox.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f3cf6b50937aa2b7d45226a4dbb61fc8/63543259270.pdfIn PDF document text
  • https://markmont.eu/editor_uploads/system/files/zolizam.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160824360366b0---80272456940.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/pejunike.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/d2f0769af4357126cb33cf5b5c8fdd9a/70843744239.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b01f5342051---kejalopadizalufevi.pdfIn PDF document text
  • http://abwfinlay.com/uploads/files/mulasoxoti.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5af6c4b7e---43560134559.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2dec0b4a4---bunufu.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/5cc72105ba83264eadc9f3a5e1f67b6f/kegivifawofa.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ea453ee2d6181d2fe67867543a1f16d2/8521130615.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/0qdvud774b6fgbalfcihkj15h3/fapilunogonakobo.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/waleragibu.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/58722609641.pdfIn PDF document text
  • http://fpole.ru/sadm_files/xaziwozitubinal.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/vizotukifufaletawuwatepaj.pdfIn PDF document text
  • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/39429186467.pdfIn PDF document text
  • 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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