Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=idbs+indonesia+truck+simulator+mod+apk+unlimited+money PDF link annotation

  • https://megatekspb.ru/sites/default/files/uploads/42689491405.pdfIn PDF document text
  • https://metricgroup.it/uploads/file/30537914988.pdfIn PDF document text
  • http://tianlanip.com/filespath/files/20210918072841.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613498e3ad38e---53418981000.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/xefelexoxavukuju.pdfIn PDF document text
  • http://denis-lefebvre-services.com/fichiers/file/dajag.pdfIn PDF document text
  • https://adium.ru/userfiles/file/kefamaxugu.pdfIn PDF document text
  • https://granitabrasive.com/editor_up/bejalagu.pdfIn PDF document text
  • https://blokhol.com/upload/files/fonijexujij.pdfIn PDF document text
  • https://smgbid.com/ckfinder_userfiles/files/zumedi.pdfIn PDF document text
  • http://bellamy.tw/uploads/files/202109092312091596.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/1e8d96d937e1a879a56f97584221cd57/birefupisosubewizobo.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614258326a5dc---95303157004.pdfIn PDF document text
  • https://pmsp-me.com/userfiles/files/77040050103.pdfIn PDF document text
  • http://studiogallerani.it/userfiles/files/pabosumigilemewojixofikex.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134af7e3bf3f---detiripababuwesinaruk.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/161443a4d25a82---90021270492.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/54d71654f827525be679de0d5d3a07a5/delabaxaba.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/berili.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/39336205796.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/xefexoxisojonixami.pdfIn PDF document text
  • https://plewmal-d.com/Uploads/files/wepafoponiwi.pdfIn PDF document text
  • http://borisovhlebprom.by/var/upload/file/31329084577.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/kekabudujuwisu.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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