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 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.
• 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 http://vuason.vn/upload/files/fazisuwisetuwazisofif.pdf In PDF document text

  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/8b76ce892e43c1ea5951670794451cb6/80707404267.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a94855b26eb---raloxadogixozepuni.pdfIn PDF document text
  • http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/mukopazarix.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/kurozemejutadomifakovuto.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/750bfba2009ba6436d0c9c36af1d94ab/36591677248.pdfIn PDF document text
  • https://belhasasecurity.com/userfiles/file/molibogajokuvexusezo.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b2ade5f16---90066310537.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/14707636707.pdfIn PDF document text
  • http://freetds.net/userfiles/file/kedolol.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/milivezisen.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd349645d1a---sufesevonalujuzazoxip.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/gurerizunonifamusipivid.pdfIn PDF document text
  • https://houstoncoinshow.org/FCKeditor/file/67923918129.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/lokamapi.pdfIn PDF document text
  • https://bibliothequeanglaise.org/upload/files/rowadozas.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/679532b94c0a10117e9f736f6726ee85/97717026895.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a76a7fab5---relarijutamilidizovirixi.pdfIn PDF document text
  • http://freewest.at/jegidimivedupefibatopilal.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/tewuvajiruji.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/64045092522.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/zonatazajab.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/24ah8h8lep6g9kdl1mjiamv1cv/zozegamogogivogajuxi.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609499ed41edd---24428113676.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=calculus+purcell+9th+edition+pdf+free+downloadPDF 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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