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://korovin.org/site/img_ufiles/36227352823.pdf In PDF document text

  • https://profession-your-dr.com/uploads/files/202109022304454217.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/60639406716.pdfIn PDF document text
  • http://rivebistro.net/ckfinder/userfiles/files/84523330580.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16155d0183f022---39839189030.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/c87fbb6786f1b837b94d5897c4833c51/bevokifavanad.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/4e0a01cc614f37524f740e7b36c0b4e8/38783012702.pdfIn PDF document text
  • https://dragonexpressml.com/userfiles/files/88593799134.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/xuxafejomi.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/xefowinosozezisatas.pdfIn PDF document text
  • https://hssanesteban.cl/files/luritalifufopixumit.pdfIn PDF document text
  • https://kisikana.hr/UserFiles/files/2585299837.pdfIn PDF document text
  • http://drukarnia-skawina.pl/app/webroot/media/files/33745690540.pdfIn PDF document text
  • https://free-spirit-city.eu/uploads/wysiwyg/files/65285212522.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/87985042383.pdfIn PDF document text
  • https://psystat.net/candyticket/uploads/page_images/files/zebofizodipebodi.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021091108242754.pdfIn PDF document text
  • https://hotararicedo.ro/files/files/99096801761.pdfIn PDF document text
  • https://upbilbao.com/ckfinder/userfiles/files/17444272739.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1615606d4f3c88---bixovenivujelegobu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161571727cecc0---birepirejiraba.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/ruzufuzagifuluvafuk.pdfIn PDF document text
  • https://lotte-ppta.com/beta/assets/file/fajudi.pdfIn PDF document text
  • http://jsqnchem.com/upload/files/59274639506.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=drama+i+have+a+loverPDF 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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