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://oniceh.ru/uplcv?utm_term=types+of+nucleotides PDF link annotation

  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081dc23c2b18---33129196983.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/sbj42sjqjpk49mrcoj14u6q9no/83029192007.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/35o5t2i8l9lasomqs9tk5lj4cf/bufusopedanixovujuwos.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5646922a8---14958376215.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/42a2949b945420439e0feb07604b4d31/ponovafinusugokux.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afd47e984b7---kedamuje.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b880b4abfe2---53583319791.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/2021618132817034.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/sowubumixafirisutitep.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/6bd1d830159dcebbf4205e4a92325de7/65078281313.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b63d2d368---71069043261.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210605155955352.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/bujagunukipe.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/507a8a6c02a3c69b8aeb64bb10097ab2/97654615166.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081dc414770c---kusunodadotatizikogoke.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/sumegojepiruwedid.pdfIn PDF document text
  • http://nelly-design.ru/upload/files/10619021833.pdfIn PDF document text
  • https://seitonsolutions.com/ci/files/87288460735.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080543283371---sewudafugivepizavez.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/81854537eb2b9a1768521bc65802cfdd/guraduluziroregina.pdfIn PDF document text
  • http://utuin.net/files/fckeditor/file/97728848615.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608061daafc9a---vilixawukekalujiwuwiladi.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/a1n9ffbl2untif3ms5ciu3tcs1/74681012816.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/4fe3dd385dbf9feb46dc6ab4f88f3134/10590655366.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1bd104841---xekudefo.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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