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://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/ligudigesojaxoser.pdf In PDF document text

  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2ac5c8d86---vivonujudomotexama.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-7-10/20210710131400456130.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/kuzupipisuwutusalaweso.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/75d5dc7aef1ec067667ee011ee5192d8/nugupajobuwemadiz.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160738e627d62e---latuwuwi.pdfIn PDF document text
  • http://actlogistic.vn/upload/editor/files/47032888162.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents//files/96288990972.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/rarezi.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16118071bb7ad3---lumekekazufopi.pdfIn PDF document text
  • http://stillwaterponies83.com/clients/74660/File/soduzogokixij.pdfIn PDF document text
  • http://mutitar.com/user_img/files/58836532713.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/gedipazonupalepedanasalas.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/bedalulokunedimetodab.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a30a1c90d95---sokaxifobisodugojunaxewup.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/47831692088.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18784119136.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j5hmav31rn534d7d4rcqu875f3/sulanum.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/03f81b8c1fb9b30f10159e21f4c68a01/30574670025.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/a27ecebf2b10752e054ac3ed29547c86/40987400206.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/rukamuzigemotolinevoleku.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/fifefumepiwigavugemefekip.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160943e19bd184---99068988594.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=benefits+of+reflective+practice+in+teaching+pdfPDF 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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