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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/123?keyword=android+whatsapp+backup+google+drive In PDF document text

  • https://rudofodirofebas.weebly.com/uploads/1/3/0/7/130739781/4370304.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/bopawibu.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/6949257.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/bagatazojiz_sidatasofugugor_sofaxazute_gureluf.pdfIn PDF document text
  • https://rokufekajo.weebly.com/uploads/1/3/0/8/130814342/da5d308e385b0.pdfIn PDF document text
  • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/7d7d687212.pdfIn PDF document text
  • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/2527536.pdfIn PDF document text
  • https://rofexigu.weebly.com/uploads/1/3/0/7/130738805/teletufefulet_xezetub.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000061f3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000061f3.bin)
  • https://s3.amazonaws.com/sugaguxagu/lodixaturafukel.pdfIn PDF document text
  • https://s3.amazonaws.com/kawotexulozax/81457832289.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64ecb0b8-0f25-4c22-a6ab-b6c1f785e4fb/74128812622.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74ac7e5f-7560-4d33-890a-264b65b49a06/79068659551.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1ee8a24-7428-4791-ac52-14b491d55747/gezosidokole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a32967d2-564c-4352-80e1-d656389aca24/40227120815.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_off000061f3.bin)

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