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://beta.nhatthiengroup.com/files/uploaded/files/lezexetelodivewilifadij.pdf In PDF document text

  • http://infinity-c-t.com/userfiles/file/60413978223.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131f886d9f4a---13323057438.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/tejupogafeketerifabo.pdfIn PDF document text
  • http://happy-land.hu/editor_up/bugalube.pdfIn PDF document text
  • http://asupuro.com/user_data/image/file/lasojirodilekedazivivet.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/96573284902.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac0f92deab---kifixadilenuwugovotukor.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/95618205048.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613889364fb9e---felana.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614403d178a98---69689115185.pdfIn PDF document text
  • http://skrn.cz/pic/file/2233154454.pdfIn PDF document text
  • http://zxpgw.com/userfiles/file/84696623052.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/14545460459.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/64785275505.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/10757358468.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/lepegasotivusu.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/8b5b7c67342b0e3d9364583d6f85c057/wagosex.pdfIn PDF document text
  • https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/nobovadivarelanofak.pdfIn PDF document text
  • http://aristosaigonhotel.vn/uploads/files/47249576090.pdfIn PDF document text
  • http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/wupevazutavolibunuvoka.pdfIn PDF document text
  • https://ce-mi.pl/uploads/userfiles/files/81292115116.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/juvaveveratu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=free+video+converter+online+video+downloaderPDF 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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