Malicious PDF — malware analysis report

Heuristics 6

• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://ttraff.link/123?keyword=beer+batter+chicken+fried+steak In PDF document text

  • https://cdn-cms.f-static.net/uploads/4419836/normal_5f9760a2a4cd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387810/normal_5f9855213c186.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403948/normal_5f98b09787496.pdfIn PDF document text
  • https://lilawowawumoxo.weebly.com/uploads/1/3/1/4/131453384/8256353.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370059/normal_5f88d99cb5fc0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368953/normal_5f88d414d591d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371248/normal_5f8fa31f132f4.pdfIn PDF document text
  • https://vegilirebaj.weebly.com/uploads/1/3/1/0/131070576/9782389.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372358/normal_5f8c15d441eb2.pdfIn macro / runtime command snippet
  • https://loroxiboziniluz.weebly.com/uploads/1/3/4/4/134402159/9e8507fa03.pdfIn macro / runtime command snippet
  • https://cdn-cms.f-static.net/uploads/4369179/normal_5f90a771f2657.pdfIn PDF document text
  • https://kulinamolusamu.weebly.com/uploads/1/3/4/2/134234583/numare.pdfIn PDF document text
  • https://jomitapekox.weebly.com/uploads/1/3/4/3/134319499/xozuzubuzomafap-vimixovotegaf.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006bcf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006bcf.bin)
  • https://cdn.shopify.com/s/files/1/0432/7125/8278/files/dd_monster_manual_1977.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6006/7991/files/96067022822.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9198/3013/files/fapisaragugameveda.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9119/2728/files/mysql_database_design_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41956afd-bde9-4b10-9a23-ffe73c5713ae/20574387682.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/how_to_make_bootable_pendrive_with_cmd.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxawetawupo/juzozapujadatipalaxafi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5595/8184/files/runas_amumu_op_gg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a1906a4-40f9-4c1d-8c5b-fa0c9d2985a9/57974518565.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
  • https://s3.amazonaws.com/zaxawetawupo/juzozapujadatiIn macro / runtime command snippet
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00006bcf.bin)

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