Malicious PDF — malware analysis report

Heuristics 6

• 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 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://coretry.ru/uplcv?utm_term=edital+isced+2020+pdf PDF link annotation

  • http://skupka54.ru/upload/m/36476192393.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/deh2cvfvarmutbkv8tci89nnc6/55956160567.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/lobolotalosibabitolere.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/265716533f92778243b47c05a316cb2a/zivejowovinawimiramaroje.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609847466d048---38488622049.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/memedevibig.pdfIn PDF document text
  • http://dainindo.com/Uploads/userfiles/files/kedunonosusidizezexesafo.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c782eef698---vafejerepifepupabulu.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/mr046t1t0blubjb22a8tp90tlq/jebitudisofopowoberunuxa.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88390a9690---90187045898.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/9aiua35rlguj5qndrd77jmjnkm/zadubinetepopopawajuza.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817991251ea---totivokojavex.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160765eb6c3e03---fofagupuwo.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/76648438452.pdfIn PDF document text
  • http://clinical-pain.com/pds/userfiles/files/rigubixuvuxuxaxejasudoka.pdfIn PDF document text
  • http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/32255734976.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad94b0ab05---80716150633.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/ho1n3g293ht65lncfb1chphs7m/sobajidinekezisipekuna.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/noramu.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/95994994278.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/57446830918.pdfIn PDF document text
  • http://etpatatietpatata.com/userfiles/files/74974606500.pdfIn PDF document text
  • http://www.umadai.com/ckfinder/userfiles/files/54937625987.pdfIn PDF document text
  • http://springgalleryng.com/Images_upload/files/5087906593.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/8125105161.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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