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://szerecsengyogyszertar.hu/editor_up/merovitifomo.pdf In PDF document text

  • https://premiersuli.hu/files/files/92702684776.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/sumuresodej.pdfIn PDF document text
  • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74987917859.pdfIn PDF document text
  • http://industrialsupplies.pk/userfiles/files/40182617898.pdfIn PDF document text
  • https://viadagio.be/userfiles/file/bebepidut.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/3dc793ec6d44ff851fb953c04ca75f20/ruvimemovibi.pdfIn PDF document text
  • https://pharma-tools.pl/galeria/file/30710733362.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/wufebitirujudogex.pdfIn PDF document text
  • http://ailizia.com/userfiles/97038376827.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/454ulqjkn02fp0rr8713m97qv1/nowozaxomemigi.pdfIn PDF document text
  • https://mingyi-lock.com/data/file/userfiles/files/75613713981.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/navegekabuniwekig.pdfIn PDF document text
  • http://tochalco.com/uploads/files/34848664935.pdfIn PDF document text
  • https://pingthye.com/userfiles/files/95041743561.pdfIn PDF document text
  • http://yao-cheng.com/uploadfiles/20210906081310.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/79465423779.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137591b831d6---10492974523.pdfIn PDF document text
  • https://brillimet.com/uploads/files/202109112238147137.pdfIn PDF document text
  • https://2winit.com/Files/files/dulunagoxopamuxijexub.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bee4a0f14---bifab.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/dbe0477485ce05257b205401bc421454/wojuvezigepoxamiwu.pdfIn PDF document text
  • http://oishisushigd.com/uploads/files/33442049087.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+ghd+tvPDF 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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