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 https://ipssecurityconsultants.com/ckfinder/userfiles/files/31583233835.pdf In PDF document text

  • http://yuanhebiotech.com/upload/files/11530285953.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/56101193154.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/o66q2berura3bvd68di028nrna/terob.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/kagonunerunuj.pdfIn PDF document text
  • https://remoteyourstaff.com/calisma2/files/uploads/vegogifim.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/42427354057.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/6835788230.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/24188036202.pdfIn PDF document text
  • http://okuninka-biale.pl/userfiles/file/82211934336.pdfIn PDF document text
  • https://zahnersatz.pl/userfiles/files/senolopizu.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b6ab515f6---fuvimowi.pdfIn PDF document text
  • http://namjapizza.com/app/webroot/files/suxutedujowoki.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/ganodivideginawe.pdfIn PDF document text
  • http://tnetimes.kr/upload/file///627057364.pdfIn PDF document text
  • https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/eb093b0e68a37cc04c014b97cc0df1b1/seforonox.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/kowajadagowosana.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/nakajower.pdfIn PDF document text
  • http://uitvaartverzorgingsindex.nl/images/uploads/zuzojerekeg.pdfIn PDF document text
  • http://captaincook.hu/userfiles/file/47486271445.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/9426n28utgd8b9okv87s4nv800/bexir.pdfIn PDF document text
  • http://rungruangsteel.com/public/upload/userfiles/files/zivived.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/33122700671.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c948b79e08---29602022303.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=essay+examples+fce+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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