Malicious PDF — malware analysis report

Heuristics 6

• 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 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 https://philabc.ru/uplcv?utm_term=the+chord+of+a+circle+divides+the+circle+in+two PDF link annotation

  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/23ihm3udelnd5vo5g4unp0hsk0/vuxoxukasivinafiduwisa.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/b13u82em3247th92cn9osd2e97/57054334931.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160df9612b477d---kiwuximurifiduxogidom.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/c2d3a79743c620d154b69e4b9c0c3ab4/23564167541.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffb9ca961d---53297518833.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/vurekafujidupabojosaseg.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/90b8be56219d01813bfd9ca407655566/28581602037.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/75928755842.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/50512714611.pdfIn PDF document text
  • http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/84120783613.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/6kcvffvuajge5g56abhmk5s7d3/16913537761.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/lesapulegavixeb.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/26766956920.pdfIn PDF document text
  • http://promador.pl/userfiles/file/zebuzifebegu.pdfIn PDF document text
  • https://baptistfriends.org/media/95042352039.pdfIn PDF document text
  • http://szentdorottyapatika.hu/files/sovivone.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/hudfen4vi7n92d0815i3nr4haa/67052112254.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/lozerenenominuka.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/47736390846.pdfIn PDF document text
  • http://microcement.ua/userfiles/file/92245398889.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ultt6rc6d9rafj6r13c4vgfbu3/87837509176.pdfIn PDF document text
  • http://geodez.com/pliki/file/47392035449.pdfIn PDF document text
  • http://lightningriskassessment.com/ci/userfiles/files/pujixevobekujesila.pdfIn PDF document text
  • http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/pirimediwufed.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee54e84a6a9---48393198639.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/qohcdhhdrg9tr6pf0qt4mc6852/43365168601.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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