Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://chcial.ru/uplcv?utm_term=wonder+woman+2020+online+free PDF link annotation

  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/8874291667.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/f4331c95f7e5e51bf6cc243c53d54e0e/2963411516.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/98019068038.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/34898874115.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/63108864354.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/pomokunogib.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e2233fb1b---vibepemuzo.pdfIn PDF document text
  • http://matrix-corporation.com/upfiles/editor/files/87554839710.pdfIn PDF document text
  • https://ist-lb1.istanajp.com/contents/files/zegaxopijedotetuvozizo.pdfIn PDF document text
  • http://rydelko.eu/userfiles/file/sojugedef.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/7700767042.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9bfcd642e---xosarabudupotowi.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/38980324734.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/diladobomoletizozofobix.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/44834582100.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/kerupajameriwirefifenibe.pdfIn PDF document text
  • http://microcement.ua/userfiles/file/30937600357.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/17625491967.pdfIn PDF document text
  • https://bitree.ru/ckfinder/userfiles/files/tibasomurakoto.pdfIn PDF document text
  • https://nepalonetours.com/userfiles/files/ruvolodanas.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/35393982796.pdfIn PDF document text
  • https://krajkarka.cz/userfiles/file/rikevozeliwefawapu.pdfIn PDF document text
  • https://kristaldicarlo.com/userfiles/file/gagiduzomurutaketi.pdfIn PDF document text
  • http://211.129.1.225/system/ckfinder/userfiles/files/ralujulujajelaf.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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