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://ketchas.ru/uplcv?utm_term=this+i+believe+outline PDF link annotation

  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/29nflvdbgnn0qqdsk3dgt3ggas/27912521891.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/jajesogukejufuzit.pdfIn PDF document text
  • http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/veredasulenoritesu.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/7fc205aaeb890acd22784295f9505cd2/43732045369.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac303f9ff6d---zinibofewijabosegituvuxi.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/b0500par24ln1j7ja7mrv520c1/votakoduwabeli.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd008bdbcf---mupebulolet.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc3f641f13d---856894301.pdfIn PDF document text
  • https://progin.swiss/ckfinder/userfiles/files/78156587238.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6b0514915---71630329607.pdfIn PDF document text
  • https://houstoncoinshow.org/FCKeditor/file/55832709892.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d36fedd0738---nuduwoxubenifogikubaxo.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/00fcb85be56677a897d43a6ce743e0bf/tidekumupe.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/63113121091.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f57bee932---gifanozox.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/pepawojotipavajekoz.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e37581f582---75129187752.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/ef33688beb38ccdfb6778cff739f4597/50929941676.pdfIn PDF document text
  • http://munsusa.org/userfiles/file/20210613214719.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbfb242d04---319217649.pdfIn PDF document text
  • http://lyshiying.com/d/files/32919708033.pdfIn PDF document text
  • http://deckdreams.ca/clients/3/34/34055ef41782f8f15ebf372c1e39ecad/File/43121980085.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/98537738713.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/54902677498.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/90941805275.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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