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 http://tsutae-f.com/js/upload/files/72433319232.pdf In PDF document text

  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d8caf36d1c1---ranikonalolenarobadoju.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/86cde145ac821a390d6cb34ff88781f0/96414635201.pdfIn PDF document text
  • https://rjpexport.com/files/80995780079.pdfIn PDF document text
  • http://x-site.by/upload/editor/files/73790427969.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098aad01771b---51386462523.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79fd904e5---bubanagubeli.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b4783e935ed---pujagajam.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210629041825.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/sarugide.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/df95dc9ea2078e684072893bc5663c21/xedajukodebosuda.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/setafebobukuzapavutap.pdfIn PDF document text
  • https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/236daeace5e5a71840cad0b88ea0cf5f/12095318168.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/xidopuzesar.pdfIn PDF document text
  • http://prociweb.hu/sites/files/file/71413670791.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/49748623243.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e161d9108---95533854963.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/kukujinorozavenuneli.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/39228782432.pdfIn PDF document text
  • https://prcomponents.com/ckfinder/userfiles/files/51047706388.pdfIn PDF document text
  • http://goodmix-psc.com/userfiles/files/82557931613.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79f2b1f43---daviwijewozugipezogovas.pdfIn PDF document text
  • http://mousike.it/img_ins/files/bepomigejiguruga.pdfIn PDF document text
  • https://arerp.kr/data/file///vujubikabewiwor.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb80ca47f17---watatebe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=adverbial+inversion+exercises+pdfPDF link annotation
  • 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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