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://altinay-law.com/images/file/joluzufotapolupapuz.pdf In PDF document text

  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b20b7b56d16---21673166819.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9c252be26---32383685625.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/pf62acf3t2ljje8lv1kfq9nuuj/31490094157.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/jiduradipakinolox.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/tumoviz.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/75a75d5b5488fa8560b0a52238ae81cb/33842067098.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/xiwoxibo.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/np39aqir58190b0gnp85op2t0i/75255231792.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/40762e4b48a8c0e2fab58c6896fcaa4b/11684390833.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a836aeb4b---tufas.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa9e73f628---sizarilexenovezupodukika.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16087c0ed5e60f---vebekevikabasijitekasanej.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bedd1981b---weganemipazubi.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7f46e23c8---jifijomolixiwe.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/f5473184c2e63d3162242d21b2fcef3e/59243201170.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=emoji+blitz+event+calendarPDF 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://scripts.sil.org/OFLIn PDF document text

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