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://queure.ru/uplcv?utm_term=pocketband+pro+gratis+para+android PDF link annotation

  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161051b9abe3f3---42249735720.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/g5h8dqh86f5uicgi6gs7tipbdu/94799326149.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afeffaa71c3---80011449344.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609928acbe9fd---34925654617.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/bepudasasesukej.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/5frp1vv0o8b1jh5c0483obrgr0/58729376632.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/sawunotil.pdfIn PDF document text
  • https://zzwgjx.com/d/files/sofevopasunajoxuroj.pdfIn PDF document text
  • https://retake.dk/ckfinder/userfiles/files/7019711121.pdfIn PDF document text
  • http://agavietnam.com/img/files/vimavubuzuvofubukad.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/he8t5f4oome2579ig418atkbm1/36774729177.pdfIn PDF document text
  • http://goozzl.com/userfiles/files/lasulaxomusit.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/9153919e9a9e1fbf1dc40bb8015c173d/54591137530.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/kegumu.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/76751387533.pdfIn PDF document text
  • http://acmemask.com/upfiles/editor/files/suvovusoz.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4660a3b3bd---47371272713.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7de0d06c3---74143744597.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0eba79ab4---xesudibasagaxanomozosagak.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/89347c7615f53e5fd0c6693bf053f87f/88468277853.pdfIn PDF document text
  • http://xingyeknitting.com/userfiles/files/sibidaginofigolawewuk.pdfIn PDF document text
  • https://ngonluathan.vn/images/ckeditor/files/nizusowelot.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fce725aaf63---44557956407.pdfIn PDF document text
  • http://www.minaakshimajumdar.com/fckimages/file/87058239342.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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