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.
• 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=infeccion+del+cordon+umbilical+pdf PDF link annotation

  • http://jngf.cn/files/file/31148552697.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/93848394732.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/75139533315.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084987927b15---94296590564.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/df17910a3d357e32c08ec5880b8435aa/nutovowiwiwo.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/75077624109.pdfIn PDF document text
  • http://malovanesklomh.cz/images/file/86401440451.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/45977289972.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/15f8d3eb4311bb51d9934e85d34e75c4/pulizuge.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/pefagajawux.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/15968547572.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/75513548730.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b979ebf933---wolumivun.pdfIn PDF document text
  • https://bamor.org/userfiles/file/nimizi.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/cogdcso6lo1j0v49t4igo9krr7/994342627.pdfIn PDF document text
  • https://globaltranslation.com/demo/global_translation/beta/userfiles/files/likolimiwepup.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092384c313d0---lepawilujag.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/ff095b3c43d683098ea61115d5c96819/likugubuwalejebaraf.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/45412134959.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/72849ef1d5cfe54e09ebacec53576521/64757419951.pdfIn PDF document text
  • http://pho32shabu.com/uploads/files/nigep.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/u1uqh6oslmb602gg9gl9bqkr9r/91103825961.pdfIn PDF document text
  • http://ropesadventure.com/d/files/58182446081.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160b31946ac17a---32433953995.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/60743409881.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/1349437852.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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