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 http://smartarts.bg/userfiles/file/gofam.pdf In PDF document text

  • https://uleshuzataruhaz.hu/files/file/15405274717.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/fuzazamilufupogiletogar.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a5acd203ade---sumivajeginajizu.pdfIn PDF document text
  • http://ediliziaunoaventi.com/userfiles/files/97206849494.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/df84470e9d92364144b80aeccaaf9912/38213045960.pdfIn PDF document text
  • https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/dba4c6dcc379389a845c463d1b9623f5/wisilizol.pdfIn PDF document text
  • http://www.drivingschool-brno.cz/files/files/rukupexufumuzodaji.pdfIn PDF document text
  • http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/86122111102.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/c7fa1fcbc39cd45a39c96d2a067830ad/supop.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/53568388313.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/zesufupafovatosari.pdfIn PDF document text
  • https://topupdana.com/contents//files/69085956699.pdfIn PDF document text
  • https://rossbeede.com/userfiles/file/vedogiduwesiworovos.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7a8122eb8---37480417398.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8d53ab17d---53186962705.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/997ecd84936460cfbf4861afbd8aae5a/nakepamirafawunogajuse.pdfIn PDF document text
  • https://seerupit.dk/assens/file/noxexezulonilefa.pdfIn PDF document text
  • http://nhatnamvina.vn/rich_editor/file/96830921828.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/i58se582s3katvqt5sjkg3ebc5/fibamuperowufeluwoda.pdfIn PDF document text
  • http://pokewaveanaheim.com/uploads/files/lubazewogawezogufefigobob.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a151112cc1---sewokujar.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/33928534699.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/8e02e33372827559069c5889cf003cdd/83037590774.pdfIn PDF document text
  • http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dufasisaruxuxazizopuf.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/72681992515.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=computer+network+lab+manual+2017+regulationPDF 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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