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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://smidgel.ru/uplcv?utm_term=english+proverbs+crossword+answers PDF link annotation

  • https://livbiopharma.com/userfiles/file/98004297146.pdfIn PDF document text
  • http://compsult.net/userfiles/file/43399771022.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161419f73bd4ee---46186060875.pdfIn PDF document text
  • https://seeyounow.net/userfiles/file/12228122085.pdfIn PDF document text
  • http://madurastones.com/userfiles/file/24896895050.pdfIn PDF document text
  • http://chinalabware.ru/d/files/lekibu.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/mixit.pdfIn PDF document text
  • https://villadorottya.hu/uploads/frontend/files/15057362728.pdfIn PDF document text
  • https://uhcp.com/editor_upload/file/pazovalomazezovediposulor.pdfIn PDF document text
  • http://conditum.nl/userfiles/file/88784050598.pdfIn PDF document text
  • http://cnkls.com/userfiles/file/1631529219.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/1d2042e28c75cfd3610a4f3bfa6c3398/65488583254.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/1d524447bb76b75a0eb4312fdc4752d8/98069621242.pdfIn PDF document text
  • http://konberdbio.com/upload/files/53427323958.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/laxofopelebomifa.pdfIn PDF document text
  • http://paliukenas.lt/i/File/28836038373.pdfIn PDF document text
  • https://casasholidays.com/scgtest/team-explore/uploads/files/3190429504.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/35238304714.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148267967c26---99346037606.pdfIn PDF document text
  • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/foxobixi.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/nalugefurewogikidukok.pdfIn PDF document text
  • http://danangsculpture.com/uploads/image/files/bejumopelosavezizonudilex.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16153a914041b2---bofojanafurar.pdfIn PDF document text
  • https://kuraniterbiye.com/resimler/files/62856841634.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/30080368511.pdfIn PDF document text
  • https://elemental-ia.com/userfiles/file/fatira.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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