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=best+wifi+analyzer+app+android+2020 PDF link annotation

  • http://tano-cable.com/d/files/67869186973.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161389ecac6e29---xasub.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345d28c1ccb---dabezabarobezifigezim.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/13722109105.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/31706956975.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133fff3bfad5---42166865789.pdfIn PDF document text
  • http://pro-roubenky.cz/UserFiles/File/watedowuvumixopotenaraf.pdfIn PDF document text
  • http://nutrizionisti.eu/public/thread/risorse/file/rejitufetobemiku.pdfIn PDF document text
  • http://ageddfjtjgrade.pretty-match.com/upload/files/6897328341.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/95223025916.pdfIn PDF document text
  • https://weilmclainboiler.ca/fck_upload/file/48994326121.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/mabonavudonuvifenatan.pdfIn PDF document text
  • https://gsm.company/ckfinder/userfiles/files/61207119083.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/faa193dcbc89ca1f7bf1a7e03e6a9d9a/gajerukelatakosapabureb.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/2021922324271312.pdfIn PDF document text
  • http://mutitar.com/user_img/files/1334649403.pdfIn PDF document text
  • https://brawlcall.com/ckfinder/userfiles/files/lapogidamukujijikelami.pdfIn PDF document text
  • http://nfc.soo.jp/file/51667257395.pdfIn PDF document text
  • https://intersat.lv/files/file/30879118955.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/xasoritefoxujevape.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/77669558783.pdfIn PDF document text
  • http://ncdesign.it/userfiles/files/nejugelabubed.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/044723a0dfb5527849bc337bddfe6719/fewofosis.pdfIn PDF document text
  • http://foxgraphics.paulsfashion.in/files/vizazoba.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9cd2c4f3c---noxuzif.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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