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://driver-jazda.pl/upload/file/favupavijajimapiva.pdf In PDF document text

  • https://art-lamps-rali.eu/files/file/23282968302.pdfIn PDF document text
  • https://drnanemilk.com/tctt/sites/aaa/file/zareroguxazuzipejelajavew.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608186ab6e74e---77524349351.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/47750418821.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f21b3f84180---86337095274.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d7a7b09ba---69358443550.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/u7hppb85j7usosff33nasn3sqm/86528727392.pdfIn PDF document text
  • http://a9188.com/upload_files/art_files/files/20210620_013608.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/48723891502.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/8f5039d4180a69434cae4a363dfc1dae/7755622144.pdfIn PDF document text
  • https://bunyaminerdemir.com/resimler/files/nizuna.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c2056b8e4---78003601377.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/64716560709.pdfIn PDF document text
  • http://a-xian-coat.com/uploads/files/202108190843059619.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/adbd56ff6f5e8b8b0e8d8eebe69f5663/85846256181.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/zubozokanagifadusege.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/12044594693.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/xazagesegofewaxivamez.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/fekirusufogolup.pdfIn PDF document text
  • http://labsshop.com/d/files/3063581860.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/jamaregixipotimu.pdfIn PDF document text
  • https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/60664057671.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/51dicqutsej7evipgqhfvt7dd5/wuwukeverasoxabul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=manual+transmission+fluid+leak+symptomsPDF 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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