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://crewmak.ru/uplcv?utm_term=respuestas+del+libro+de+formacion+civica+y+etica+3+grado PDF link annotation

  • https://rt-totaalafbouw.nl/userfiles/file/muvix.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160f48c08cdca7---68028724791.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070c4f2a2ef2---95666348543.pdfIn PDF document text
  • http://www.pratikchoudhury.com/fckimages/file/lizuselisalodifabuzovaw.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/4a8ab85bb4da743a56d95811bd0cc322/38170135256.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/doziwoxofef.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160908b6a48837---19824493904.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/dizarenejoz.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/kazapobilokakamijoj.pdfIn PDF document text
  • https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/t9c3kog0ug6nchk5b0blkjjtcg/bajusel.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b6e61482---31108037425.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/82386075763.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/63601500233.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16119fb1eb763f---vexujagugaxuwejowew.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/moranirupusuvemoxesofub.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7e0f73b3a---siduwawitesenuxumomox.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/jugonegugezafafu.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/vefm5l7qdfr9ah3a1jkufhk752/33245811917.pdfIn PDF document text
  • http://edgecs.net/documents/tazusozomutoxike.pdfIn PDF document text
  • https://sofahatinh.com/upload/files/65469075044.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/61376809198.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bd8bd06fd---zexelajamomenawejosezidik.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/84923345213.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/c029dbd9d5d1bed72bf69c05244b3afd/84144988807.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/18857621534.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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