Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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://oniceh.ru/uplcv?utm_term=disney+heroes+battle+mode+mod+apk+unlimited+diamond PDF link annotation

  • http://amandatravel.com/userfiles/file/rutemumuvusatomumudebuw.pdfIn PDF document text
  • http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nusesuwaxinok.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363919c8e4f---fuvixujasasanotifuvaz.pdfIn PDF document text
  • http://thienminhgroup.com/uploads/userfiles/file/busakugolawuwexuzataxo.pdfIn PDF document text
  • https://jeanmarcrobion.fr/userfiles/file/roviwabotuna.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/gjb2fq2rc0gkad47r9ah63uorp/17583154644.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6deb5df7c---79155508399.pdfIn PDF document text
  • http://uzks.hr/upload/datoteke/2523023637.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/tusolesatezipudim.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d9ccd86e---5415936418.pdfPDF link annotation
  • http://mobil-tech.com/files/91583689224.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-9-13/20210913203357983386.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/35984383713.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/bivetularoluburag.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/11671704110.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/61434636065.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/taxanadofakopotakivixulod.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/vuzuzidilidepasezivelol.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/13850339037.pdfIn PDF document text
  • https://clic-essc.ch/ck/ckfinder/userfiles/files/laruvo.pdfIn PDF document text
  • https://grandhotelushba.com/userfiles/file/95425754508.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/37092407366.pdfIn PDF document text
  • https://onthespothousing.com/userfiles/file/8494921264.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/50039972633.pdfIn PDF document text
  • https://www.thc.gda.pl/ckfinder/userfiles/files/gevopakuj.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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