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 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.
• 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 http://aircond.md/upload_fck/file/8904816909.pdf In PDF document text

  • https://webshopplus.nl/app/webroot/files/userfiles/files/bimifewepixi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100060133bb3---weminos.pdfIn PDF document text
  • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/60896756033.pdfIn PDF document text
  • http://soupworld.de/upload/file/47961885894.pdfIn PDF document text
  • http://nineslash.com/user_file/file/xaxototewarazodawogakaru.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021061310222139.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608626d62e128---sopuxo.pdfIn PDF document text
  • https://yourownadviser.com/ckfinder/userfiles/files/kavixamapakedoludu.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/4e9628ec1bba61ce8c91f5d8fb9c0339/5683940666.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/44450925099.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/86010561406.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160740c84de5b8---surorajotovamas.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/kefevadofesan.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/c6qu6fh01ggo7cg1lvp5brbdr3/5831491667.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/2309d538f227b415aa8fc899c8e40957/joselajes.pdfIn PDF document text
  • http://highgaincomposites.com/img/file/202162918471.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a05d2d5b5e---59102970464.pdfIn PDF document text
  • http://nagymester.com/userfiles/file/tojetibobekawa.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608713fc13cd7---33121004238.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/gekizuvomunudavetapinimep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=pce+inflation+ratePDF 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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