Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://gettraff.ru/123?keyword=sap+qm+stability+study+pdf In PDF document text

  • https://nefenupenarus.weebly.com/uploads/1/3/4/4/134476068/ce03811cb.pdfIn PDF document text
  • https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/eb50283bc8.pdfIn PDF document text
  • https://gogiwujuduk.weebly.com/uploads/1/3/4/3/134352159/xoxufawejodeju.pdfIn PDF document text
  • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/bopalug.pdfIn PDF document text
  • https://xukanimuwuvam.weebly.com/uploads/1/3/2/6/132696198/78837abf1e77576.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/5648391.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/b54f54957af.pdfIn PDF document text
  • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/8104796.pdfIn PDF document text
  • https://guzuzixud.weebly.com/uploads/1/3/4/3/134357052/jitelibavanu.pdfIn PDF document text
  • https://namonizumus.weebly.com/uploads/1/3/4/3/134345036/4277609e93e33f.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8554420.pdfIn PDF document text
  • https://digafixi.weebly.com/uploads/1/3/0/7/130776371/famepokuboza.pdfIn PDF document text
  • https://savakorudefipe.weebly.com/uploads/1/3/2/3/132303238/0db5920.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/80640401404.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/student_attendance_monitoring_system.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/58473087127.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000076c0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000076c0.bin)
  • https://uploads.strikinglycdn.com/files/6d58607b-c1a9-44ae-ab44-55b231aff750/84482455931.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38e30867-1a69-47f4-a3d4-f534a35c0858/teoria_da_literatura_formalistas_russos.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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000076c0.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000af18.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000af18.bin)

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