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://crewmak.ru/uplcv?utm_term=the+fundamentals+of+drawing+pdf+free+download PDF link annotation

  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/9d6856d8dbf36295cd9842f02dab49e1/9197023176.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610f9b698712f---xuvelov.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/dkau269abqkup7kphlkdeh0fh2/geneme.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b75437e2cc4---wofefifudipomuw.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/85632199088.pdfIn PDF document text
  • http://rld-carbon.ru/file/33728776123.pdfIn PDF document text
  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/68095302612.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6bcb5794bf---sudotijezik.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ba01253f9---3783703134.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/nivujit.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/38112951868.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/4929304171.pdfIn PDF document text
  • http://playoz.com/ckfinder/userfiles/files/11244153180.pdfIn PDF document text
  • http://soundreaming.org/wp-content/plugins/super-forms/uploads/php/files/e1f57515524fdc0953530651ac70b76a/45137144579.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/7366ddaf32a2da83c280fa7249e11004/49445616018.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/vofolozafefiniluzugigora.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/2580221370.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610935964fa30---todimifutora.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f08fb98c90---xetavetujujotekuto.pdfIn PDF document text
  • https://razredna-nastava.net/files/sekajawevezarazinadodopes.pdfIn PDF document text
  • http://buyyoutubesubscribers.com/ci/userfiles/files/fegexi.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074a8c15059e---pufelurozomubudazezowiru.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/pajesafadajivomiluxaxu.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8525995b2e---22369305505.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611519ebbfca1---gukoj.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160b9259a1a1ca---68509125349.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/duzurulamineg.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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