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 https://cructi.ru/uplcv?utm_term=cool+acronyms+for+teams PDF link annotation

  • http://havefuntogether.com/image/upload/File/wiwosumixekimi.pdfIn PDF document text
  • http://massintech.ru/img/outer/files/1736016532.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/3885752793.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924430cdd56---2199031717.pdfIn PDF document text
  • https://hyundaia.ru/userfiles/file/jisur.pdfIn PDF document text
  • http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/sinedezalebagulopuxikut.pdfIn PDF document text
  • https://gtselect.fr/ckfinder/userfiles/files/8082668688.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/1006246395.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/xudemuminokugikexogofar.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3bd3a0603---fazudovodu.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc920ff0f2e---xuzebon.pdfIn PDF document text
  • https://torgradio.ru/new/files/file/muneseluj.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfd10b3408---najubevarazuzuzizire.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/17951583939.pdfIn PDF document text
  • http://beymersan.org/upload/files/66724578237.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/setb8ttdl4gekh6941c1s4qo30/jikagam.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aa91d18eb---dolibojafikegejola.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/0e8b53f2d77a2ba6fdc48e8b8d14ec3d/finoru.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077c19faeb2d---borog.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/c2ba9702e741d90c9ad75154fbce5f46/duxupaxenok.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acfcf97f3b9---tapanokozedogurur.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b9529f86f0f---kuparimagevasirom.pdfIn PDF document text
  • http://iphysiology.ru/upload/18678344152.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/62504d7361d6960075b06144c0888013/87558670890.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9d4b8d44c---41222131439.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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