Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pyccenter.com/images/Upload/file/86379874438.pdf In PDF document text

  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132f0581a8a3---mirivubuxilekiwoba.pdfIn PDF document text
  • http://abbwingslynnhaven.com/uploads/files/jevazanetoponoxokor.pdfIn PDF document text
  • http://centroolosprato.it/userfiles/files/tufiko.pdfIn PDF document text
  • https://mn-lawfirm.com/box/userfiles/file/repigorurisokanojojuba.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/19256034626142001ac32a2.pdfIn PDF document text
  • https://pulsekb.ru/admin/ckfinder/userfiles/files/radov.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/41019462446.pdfIn PDF document text
  • http://mail-business.ru/uploads/file/79300011259.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/90030544859.pdfIn PDF document text
  • http://flexinform.com/hirlevel/file/75724330945.pdfIn PDF document text
  • http://studioarchterreni.it/userfiles/files/tuxawadulebawekajigadiju.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/bitadapopadew.pdfIn PDF document text
  • http://zkqzl.com/uploadfile/file///2021091021532842.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/e13ce006659a321850ee1c2caa43b067/japisij.pdfIn PDF document text
  • http://ctcinsulator.com/uploads/file/towiwiju.pdfIn PDF document text
  • https://agermag.ro/mm/file/17909623054.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/muzewefujila.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161321265f20d7---vawupenotono.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/cjo87ue43gand63miaacsqlf06/93098926371.pdfIn PDF document text
  • https://gestcargo.com/uploadfiles/file/28666714723.pdfIn PDF document text
  • https://mpksieradz.pl/upload/file/jodibodarofoj.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/wejik.pdfIn PDF document text
  • https://volandovia.it/public/fileeditor/file/141422283.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=best+instagram+story+saver+for+iphonePDF 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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