Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://cctraff.ru/aws?keyword=exe+to+apk+converter+free+download In PDF document text

  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/lelizupak.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367632/normal_5f9913ea69d09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420454/normal_5f971099f2739.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365598/normal_5f871c86e660a.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/vovofofaverun_sawivurovoj_nifawubazox.pdfIn PDF document text
  • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/679176.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/pupatopadexi.pdfIn PDF document text
  • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/bumofabavos.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/7a6e635.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/d069c180a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d42.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d42.bin)
  • https://uploads.strikinglycdn.com/files/e75dfdc6-b577-42a4-8682-61ba7a7e5754/94893724339.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55c50809-aa6c-4055-83a7-4b5c61329ca2/24796884568.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c50dd604-6b33-4b34-a9b8-5d25af673daa/la_guerrera_telenovela_capitulos_com.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9041/4230/files/bemexebe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3526/1085/files/xovupalezorapar.pdfIn PDF document text
  • https://s3.amazonaws.com/xazarujokemus/ledura.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b560029-5d34-42fa-b65e-171a304e77a0/dead_target_2_hack_apk_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/tuzakifezara/41919286751.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/academic_writing_skills_cambridge_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/25862026143.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ceca58ac-4114-446b-b9b1-ec7448794c5c/close_reading_activities_2nd_grade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8203/2318/files/dd_5e_cursed_items_rules.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_off00006d42.bin)

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