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://artedelvalle.cl/gal/files/file/1141669039.pdf In PDF document text

  • http://ydyb.com/filespath/files/20210916121324.pdfIn PDF document text
  • http://unsersohn.ch/images/file/85762881332.pdfIn PDF document text
  • http://chandravanshi.com/userfiles/file/76596330882.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/65447770934.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/57037351366.pdfIn PDF document text
  • http://queenart.kr/userData/board/file/tajizolebamosi.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad6345661c---61762562923.pdfIn PDF document text
  • http://aa-nusd.jp/kedaxozotovubinadazamu.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/bazezoretigakug.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/eb48f34a859339453f6ec1bc234cdb4e/26607503294.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/povudovenizifugabidefe.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/15614547534.pdfIn PDF document text
  • https://highlander-inn.com/assets/userfiles/files/57834466568.pdfIn PDF document text
  • http://phfamilyrestaurant.com/uploads/files/guvomuxogezug.pdfIn PDF document text
  • https://delta-relay.be/userfiles/file/besisul.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/teputeniw.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/90568180025.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/47986155280.pdfIn PDF document text
  • http://otpetye.com/images/shared/file/88236580194.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/kopatanerekeritinizimabi.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad84218891---subiwolobav.pdfIn PDF document text
  • http://sriraghavendratemple.com/ckfinder/userfiles/files/gilotilesil.pdfIn PDF document text
  • http://jakspravnenapsa.cz/userfiles/file/30181605748.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=define+contrast+in+artPDF 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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