Malicious PDF — malware analysis report

Heuristics 7

• 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 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://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8cbc08d32375cdde2b745805036be0d0/74048404353.pdf In PDF document text

  • https://eatorhours.org/e-bussiness/fckimages/file/93307004832.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161508b3580e78---rafoluvesawiw.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/midufa.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/18976230833.pdfIn PDF document text
  • https://webhosting4.net/media/file/fisejowa.pdfIn PDF document text
  • http://redeyeldn.com/userfiles/file/soniravar.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/vimogugabiruna.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/7370047652.pdfIn PDF document text
  • http://indyztyle.com/ckfinder/userfiles/files/36964076418.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b4ccba8df---palerokawapadazawek.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/porunuzafakadigavamupop.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/pelaxosapaf.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130eed3acd01---97895398010.pdfIn PDF document text
  • http://spec-so.ru/sites/default/files/file/82706087406.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/73442156400.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/suwawewegidanize.pdfIn PDF document text
  • http://studioagronomoserragiotto.eu/userfiles/files/kebiwibegarotisadad.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/vovegisuro.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/xaxovuxojewepu.pdfIn PDF document text
  • https://intekcanada.com/ckfinder/userfiles/files/goleralu.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/02ddfd122b408b299874bc0b715756f5/42010121923.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/bujujap.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/9a7ba660cf24acd2bf1e9d2c10d2baba/povowavikuwumivuzox.pdfIn PDF document text
  • https://ozora.schaffsen.com/contents/file/44272794525.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=caryville+tn+countyPDF 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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