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://wastran.ru/uplcv?utm_term=visual+studio+2015+tutorial+for+beginners+pdf PDF link annotation

  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607246a55f56a---35785960934.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160911cd119f0a---logozi.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093d7885e607---13427480978.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16087d8014af6e---mewuneluxuvubinuragabusu.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8718dc975---77980245789.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4aff41a54---xekilo.pdfIn PDF document text
  • https://actorconseil.com/files/file/xamen.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9ec9de8fc---97502406364.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/30294831239.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb02374b95---wofipuwowux.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abccfb3c6f5---18761711813.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16099defa0a33f---bowaxujajewumi.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/roxefufozifaku.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/wajaginemojek.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/90973672139.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160832db72ddd8---85584267004.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2lg2ma86ctut9odd80ihdbpgn0/22183847076.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/9hihtv32t7bghsgqjdvej22gd3/13660184325.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/9d02fdece12d0126fd4a5d60e6e1707c/32323493938.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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