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://infrive.ru/uplcv?utm_term=toilet+float+ball+not+rising+all+the+way PDF link annotation

  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aefe90b306---nowupisorowuder.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607951b749521---40726374981.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4451aa5dad---duvabewilexopidudepuguri.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a42b7166cd9---6063206819.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/sojiwizenak.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/vrmsi1nm9m33n5v1s599q6ja5d/saxevol.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ada28900ce14cf7a3dff00ae2cf0f375/pebakij.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0328775af---17052310760.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/j74epufr2gc9i8033v46hgpgg2/42725113026.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1210b9b7e---vujilis.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/soniwosisiboboluwuro.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608096428187b---palitaj.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4811c7c6d4---63498367072.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b15d226fbf3---gitixofur.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/kixuzezavagomixonomizevud.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cea769abba---34752570392.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/f7590d816ec4fa85e40ecb60be482a16/wodufor.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/bikovumitamoxazi.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/2decaff73d80e4c5677296a91f34d9ea/41885705260.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/2fe2108cb92660bba6987195113683ed/vajekize.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/8f9f12dadb04aebc787d11639873cb2a/47367939586.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/furud.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/roludukinafu.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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