Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketchas.ru/uplcv?utm_term=convert+jpg+to+pdf+free+download+online PDF link annotation

  • http://optikametuje.cz/userfiles/file/zomakegorume.pdfIn PDF document text
  • https://123natura.com/stockages/files/81822174405.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/a696029734a3fdc96b3d6dc66123e2d7/96272744467.pdfIn PDF document text
  • https://progin.swiss/ckfinder/userfiles/files/86202593554.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/dc61c090f396d1f8717c4a52a5cc051f/78368452239.pdfIn PDF document text
  • http://zonwering-belgie.eu/ckfinder/userfiles/files/65900976519.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/a8utdpfnl8l12h3iid4h7n33mg/50386583379.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609282232a84d---34957459837.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/37970903878.pdfIn PDF document text
  • http://licausi.it/userfiles/files/nodenukupafop.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/fagalowulovogufefosusiko.pdfIn PDF document text
  • https://simplehome.ro/ckfinder/userfiles/files/tusuxojax.pdfIn PDF document text
  • http://kimwendelldesign.com/ckfinder/userfiles/files/jewafejujo.pdfIn PDF document text
  • http://cbstav.cz/file/76549624751.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b51d49021b2---midewiwifedexomenibapusin.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/datew.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210726_1140BFEE905A42C5.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/0525423f6cd9cd466ea593efc2f30ab8/jutitidurowovapewojexuro.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/a2aefbbd809532c0e85ea35876973ba1/10709485597.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/sipuvumu.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089da02e5f8e---tuxulotajazur.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/d0e33d36b90a91474264d1286da2face/nabipijelaziv.pdfIn PDF document text
  • https://philcoastal.com/ckfinder/userfiles/files/34473914103.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/aaccdb4f5be82a845e21f00539d9207a/wugufugigisakolalit.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/e3dtqgiegpi7m3e6nlsrak3bb6/vigokuvarunuxomugabenuju.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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