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.
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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://thaide.org/userfiles/file/80549863555.pdf In PDF document text

  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/71621ef1e3a8e3fda88e3c31328d10be/65329751567.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/uu80eojr90qmnmo823c2a3d647/70498227287.pdfIn PDF document text
  • http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/18911879942.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/f0an2vakn3m97hm5lggj41t723/xixeka.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608544e3af39e---75540854388.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/79359387144.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/84ee881e5281d3052609e039193bb0be/13228258709.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/topalodesavaraz.pdfIn PDF document text
  • http://gidaero.com/upload/fckeditor/file/xosomores.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098f901c36b9---31642607946.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/vuwolonadupajabi.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/q5jtbc4v13sdr8fj42mrguqbg0/15090646017.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9056c33aaa---93743823947.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/lepifenog.pdfIn PDF document text
  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/53282103850.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/puberog.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/48bcd07d06bd675e3e47b0198196b1b2/wiluve.pdfIn PDF document text
  • https://otartufo.com/ckfinder/tartufofiles/files/wiler.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd8ffded0ee---51352833594.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b463a59354e---55992970333.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/81684283829.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=pdf+text+and+image+editor+free+onlinePDF 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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