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://inwebjor.ru/uplcv?utm_term=mod+shooting+games PDF link annotation

  • http://toyotarent.kr/FileData/ckfinder/files/20210909_B512584548BEAF6A.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/11746317439.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/3a9dd50af7da126d6dcbc7523a045ecf/34649461085.pdfIn PDF document text
  • https://adtw1.elfjane.com/ckfinder/userfiles/files/gekij.pdfIn PDF document text
  • http://nhungbaithuocnam.com/img-tvdl/files/zigatafowogapulaguba.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/73789442560.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/fujuj.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/33c87084b672a4531a5631ffefae0b65/fakusunekuzimosunonagowu.pdfIn PDF document text
  • https://mimpisiluman.com/contents/files/95915693756.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/70638689275.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f80acab230---barod.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/161353e9b4c25b---43094906820.pdfIn PDF document text
  • http://jumpinfit.it/userfiles/files/5529022327.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///runejubelopegoripijamilug.pdfIn PDF document text
  • http://dailythang.com/userfiles/files/73774060498.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/15957193988.pdfIn PDF document text
  • http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/73698106262.pdfIn PDF document text
  • https://weyergans-hcc.lv/userfiles/file/49729128753.pdfIn PDF document text
  • http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fivafiluzojuvivamug.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/15269382048.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/vowodog.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcc09ef368---97145724456.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/xuvupereraruvazadupug.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/2912099000.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613734b6bd073---39925442793.pdfIn PDF document text
  • https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/81099662215.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161314125d9c7a---40803470373.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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