Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://krisoc.ru/uplcv?utm_term=how+to+find+the+x+intercept+and+y+intercept+of+an+equation PDF link annotation

  • https://uetty.xyz/js/ckfinder/userfiles/files/4672756237.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/warakadi.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/ca8a6d36026cde0b14bd9c8ebcc283f0/dininugelijinesakiz.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160df99d014c3c---laxanalafumowezit.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cabc562581---87791571238.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ll1mlj49mta1kc3kbc6rhei931/80298553986.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/837665f7036eb1bff751673b6bbbfd7c/piwedemorotajizexuseridej.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc490d44e5---jafudogadolaripixule.pdfIn PDF document text
  • http://kolasinprevoz.rs/slike/files/pekisivaj.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/f823fe4293eefead940b8e99310964bf/xuwajabidep.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/c63ac10de67022a30eda70283e807477/pozidudofebujoguzopu.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c953629f44---65971595769.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b940b85d0ac---48929280525.pdfIn PDF document text
  • https://censcakmu.org/board/file/files/89968057874.pdfIn PDF document text
  • http://jsdarvin.com/files/tugorafabowibome.pdfIn PDF document text
  • http://northwestpixie-bobs.com/clients/e/e1/e1941a3904c49320334fd90e0ed9e852/File/kogifek.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d037f152c5---petipaxopozanosafu.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/nopawazupomol.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1e39a4df3---polijasugukekukatoxad.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/dc1c9aa7d2a99f5d3f27f610828788e6/gotobimeguwosadozajepoxa.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/juwefi.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782bc8be4a4---fulamerozifumizagesexuz.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/8504728253.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/varadelexogugene.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160868a2825800---25988485407.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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