Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://synerhu.ru/uplcv?utm_term=what+are+the+characteristics+and+components+of+the+tropical+rain+forest PDF link annotation

  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941472eacdd---51788601848.pdfIn PDF document text
  • https://exlite.it/ckfinder/userfiles/files/76368041638.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/jodibilogozobuxu.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bc08cf23aa0---97063006668.pdfIn PDF document text
  • https://olterus.org/contents//files/36434562748.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f9e2eb8cdae---89964592110.pdfIn PDF document text
  • https://ckmandarin.com/uploads/31472309238.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/31951918988.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5f0150a39---49148149204.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/j0g49bs1r89jmfb58nhhke6i04/26616997411.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/39891818623.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/bafuvozorosota.pdfIn PDF document text
  • https://calmoinc.com/upload/editor/file/lamomanufinuzewunununapi.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104432148348---minomudovitetane.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607208e2e6b1a---27517081383.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160add7bd0fae9---xotuvanujobazaduwufiliti.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5741d864c---67265213704.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/82105061921.pdfIn PDF document text
  • http://140.121.161.111/ckfinder/userfiles/files/31492463030.pdfPDF link annotation
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d429a5b015a---78085979977.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/88776523021.pdfIn PDF document text
  • http://ezibra.pl/upload//file/rupik.pdfIn PDF document text
  • http://naosgym.com/userfiles/files/93009629508.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/deresewala.pdfIn PDF document text
  • https://bazab.ru/ckfinder/userfiles/files/noporezagogaketuju.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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