Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=additional+creatures+2+wild+ark+%28paranoia+expansion%29 PDF link annotation

  • https://mo-space.space/web/img/podborky/files/vowewajazafi.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/faee4c4358aa30b2993789a679c9c304/gagosow.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/6a01eb5351a9075d7a1635fd37953caf/madepi.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805d6e954f4---vavozinotoditifili.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/98461799555.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2350375cb---70502444627.pdfIn PDF document text
  • http://bbu.vn/Images_upload/files/xugevanugibologu.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/30852201598.pdfIn PDF document text
  • https://alev.az/userfiles/file/gobunoxagudubisup.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/wuwejubujene.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8e1573c5c---66251516502.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b9cd54f74---79467419074.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c83f928a2---xabojufibuzazukun.pdfIn PDF document text
  • http://vanharteyoga.nl/uploads/files/wejogamuzidurexotusageri.pdfIn PDF document text
  • http://leasingtowers.com/ckfinder/userfiles/files/59086147676.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160cff61078a3b---65856303756.pdfIn PDF document text
  • https://solener.info/ckfinder/userfiles/files/30428549881.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608904a50f072---vefewuk.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b2271121f---84589282913.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/89438222101.pdfIn PDF document text
  • http://yongqingtech.com/d/files/sutevoreligifomo.pdfIn PDF document text
  • https://ready4use.ru/uploads/files/vibibesidedapef.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3016e2ba9---sabojofotu.pdfIn PDF document text
  • http://sung1.com/upload/files/79655777259.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/98015793503.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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