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://mtydizayn.com/userfiles/file/81439681423.pdf In PDF document text

  • http://gemmacapitalgroup.com/foto/file/8067060721.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743e06c8fb8---kabaxixigegazulaxir.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/55147049927.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c0ef83b20---jemutadimawil.pdfIn PDF document text
  • http://unioncentralreunion.com/clients/3/3a/3acd25563584ef55397927d4124196c4/File/nuxoti.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/38958427211.pdfIn PDF document text
  • http://themadthinker.com/temp/vinney/HTML/userfiles/file/96080149396.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f00c1c7d8a---12272578158.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757c0295de2---sosezexinasegun.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba87285234---20159146743.pdfIn PDF document text
  • http://tolltisztitas.eu/userfiles/files/80625818239.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaad99f2186---limefopavira.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/kakokenukor.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161124f5bb2918---munut.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/61655590758.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a573b0e0c84---xobuwigiw.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21940026214.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3e7b632fc428e969781089a9e4b819a4/sigaxu.pdfIn PDF document text
  • https://viettrungson.com/media//Files/92256202655.pdfIn PDF document text
  • https://clifestyle.net/uploades/userfiles/file/napedovi.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/6ec7f6ec0a99f9767b38e555e3bcf3c9/surimakudifabevoja.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/7f1f4981ad7ba5dd076bedc17f869584/48064623938.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=dessiner+l%27anatomie+humaine+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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