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://wastran.ru/uplcv?utm_term=omsi+2+bus+simulator+pc+game+download PDF link annotation

  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160925cc428a4a---38119989498.pdfIn PDF document text
  • http://sabaispa.net/userfiles/file/8083143534.pdfIn PDF document text
  • https://shellserva.nl/docs/Image/file/benexiwiwijisojivo.pdfIn PDF document text
  • https://ienter.bg/files/90184926457.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/54938699413.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/vefosudi.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/kipidagikukinadenawona.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f63e858f08---78776908982.pdfIn PDF document text
  • http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/51874534098.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/0264368ba4cb717b671916f299a7336e/4211708048.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bc235ea5f60---38940386404.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/wozil.pdfIn PDF document text
  • https://irrisyst.eu/files/file/46904986653.pdfIn PDF document text
  • http://fygl.net/uploads/file/03125442984.pdfIn PDF document text
  • https://aurorabersinar2.com/contents//files/velinubikejawagi.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161001f6cd0f85---6770048447.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16079aad08ffa0---rujumowudufizibafoxemu.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/purixiwezirakuzerolu.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/zorozobowiv.pdfIn PDF document text
  • http://ceroki.com/image/files/71376919931.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/67404306368.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/fegowixexiwepenuparekofat.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160def2062ef53---fujiwagafixix.pdfIn PDF document text
  • https://www.comperat-89.fr/ckfinder/userfiles/files/fisib.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c25bd3547bf---20325401464.pdfIn PDF document text
  • http://tylincms.com/userfiles/files/40600274240.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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