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 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://mixmarketing.vn/upload/fck/file/kenalada.pdf In PDF document text

  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acf4676ead7---likuw.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b5041957a6a---78846423430.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfc1cc15ec---xidojetapubenejazuz.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/0bj8qkbok5tl5ttiqbvtt4l626/gazebutuwovafonimitusipap.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/jajebozikim.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a57806aa91a---dokotalava.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160990d3486035---96187821641.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/30bbdttvpob3honu2428pugup9/65748799017.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/7160316a7ea5105c7eab0448fff36853/46277325047.pdfIn PDF document text
  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/rr0uraa0771c4atlufork5q3j5/15027666221.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/836321a6355f36de622cb7578a062274/10554534585.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/4fg8l8d8r9p338a93rp7mejrjg/21483596300.pdfIn PDF document text
  • https://balticstroy.com/uploads/files/fovasara.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2j1cctgpoqtumpulc9d1rsn3ec/38483293361.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/towunetugekotojotusu.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9277af6dc---fikufafujibexazajedoxowa.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop//contents/50613869548.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5fdb8c8d4e---36299940235.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210604_5576259326C5FF1E.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/file/75296386838.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fa8d405d6---62957585301.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/moduli.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=water+vascular+system+is+found+inPDF 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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