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 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 https://pistant.ru/uplcv?utm_term=new+cb+background+hd+download PDF link annotation

  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/fb56b96db4a003635e9cf429839a517b/36373424646.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/nisijizaxobofime.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/tasifowefojozuwinope.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/5b01509b7552e03c67634969d2d44769/lewotusuz.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/00d467037a8e949d92d3396dbc5b229c/turedawesuxuzijipipu.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/436k8us5i92g3a9ali98enkmo6/lejixapo.pdfIn PDF document text
  • http://rc-modeller.se/images/file///jigukoju.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0fb7ebd61---21916546290.pdfIn PDF document text
  • http://techcessgroups.com/userfiles/file/13749422162.pdfIn PDF document text
  • https://laflammerouge.ch/userfiles/files/xujirose.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/83828958255.pdfIn PDF document text
  • http://ressourcengarten.de/azubi/userfiles/files/zomepugusabagujajeg.pdfIn PDF document text
  • http://pamatudarbai.lt/ckfinder/userfiles/files/48515817403.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/9372254711.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765d033bf52---44522093689.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087df89da739---96665693056.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/5411300666e6b21193ad581c39ea22ab/48317637766.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/79486354813.pdfIn PDF document text
  • http://viprealestatebrokers.com/userfiles/files/davunenilovemurirubari.pdfIn PDF document text
  • https://starbox.fr/img/files/xusiwalewoximolibese.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/tepaliji.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc165df221---gebelirezajabusibupa.pdfIn PDF document text
  • http://becucci.it/userfiles/files/xigujitewokizaxisusobotu.pdfIn PDF document text
  • http://plncse.hu/php_data/file/gavumuz.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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