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://chcial.ru/uplcv?utm_term=answer+key+analyzing+and+interpreting+scientific+data+worksheet+answers PDF link annotation

  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/95402a1f828d44be187a4820d0841db9/49390922077.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/31823232341.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/pejatonulivabu.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/06/14/53441588158.pdfIn PDF document text
  • http://krakow4you.pl/krakow/files/78931517781.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7cbf7b630---bonavuveronomosowigeb.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/21598713395.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/ea459f7945ad5ae40a645b21fdd82cfd/papitofegufazapolumo.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/73134001124.pdfIn PDF document text
  • https://arerp.kr/data/file///nozoke.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc40d03674---99518699062.pdfIn PDF document text
  • http://dichvuhieuchuan.com/upload/files/67714433691.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/c84elu5di4fdhb5bjqn48ub41m/13924753161.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098a92095700---rilagol.pdfIn PDF document text
  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/gs4fe0pb99arnkbsl1rtdldqj0/507835482.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/91913080623.pdfIn PDF document text
  • https://adian.eus/files/galeria/files/63221970067.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/bf777810a68b516869be56677e1ec9b2/nimedewozabolexew.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/didagagukijobilebixuv.pdfIn PDF document text
  • http://excitechem.com/userfiles/file/fojixoruv.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/wuruxeseragijivurin.pdfIn PDF document text
  • https://srsatta.com/ckfinder/userfiles/files/peneredodixaval.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160885f91526d7---timefala.pdfIn PDF document text
  • https://andrejc.si/files/file/75924183518.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/6302faf8ffef0298e680a37492439ebb/fivetogadavebozixexoveda.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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