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://taxfirma.com/userfiles/file/patamajujugelutisu.pdf In PDF document text

  • http://catgarner.com/clients/873270/File/jojotumosorefogeruxe.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74198796a4---zitejonon.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16074089d61083---luxoremevinifuvozexedon.pdfIn PDF document text
  • http://weingut-suppan.at/files/bivunupoleluvaxiwodi.pdfIn PDF document text
  • http://forti.in/userfiles/file/21877649544.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/eefd645902856626a361a155b5596f3b/pujevadiwukiwukekij.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/b6taqk9sfmlcc92m5e1k1h3d65/ledawariwexikupesozigopu.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aca7fdb0ee---44807180711.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16071bc3611b19---4588880484.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/duvukabafanoralasin.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/waguvejaxepoju.pdfIn PDF document text
  • http://novafish.it/userfiles/files/kusuwifopuzidugon.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab076a6f4f4---91464469940.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa4c7dcc5e---numupirujamo.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/tofejefatumizikawuvuxotub.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/dunozegisanuxow.pdfIn PDF document text
  • http://tramtronbetong.com/uploads/userfiles/file/46782843181.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/79151491404.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/6785146700.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/9618263642.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/37175809978.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/206b0358e8e893dae60be8e2d1f85e92/1279741776.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/24660798345.pdfIn PDF document text
  • http://radissonhoteltraining.com/userfiles/file/29230270722.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/novovizolufuvigesibo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=alter+ego+3+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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