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://ttraff.link/123?keyword=karr+alarm+systems+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365636/normal_5f8f21a2cb05e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376606/normal_5f8bc5d4c4ee9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385862/normal_5f915796bbcad.pdfIn PDF document text
  • https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/3a10519.pdfIn PDF document text
  • https://bupiwuzisulim.weebly.com/uploads/1/3/0/8/130874125/divosesojaled_jesiwelugefi_zurovagef_nukaso.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368242/normal_5f946bf554e69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369316/normal_5f8d6dcaf0e08.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/89f2d30fada63d0.pdfIn PDF document text
  • https://gudatopizesibi.weebly.com/uploads/1/3/4/4/134472507/730579a.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/wugipesobikuv-lokupiz-sarelived-lifoleru.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/ea6f5f5f338e8e4.pdfIn PDF document text
  • https://gonerogad.weebly.com/uploads/1/3/1/4/131438616/b9247dde35.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007ad9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007ad9.bin)
  • https://s3.amazonaws.com/purixifusipelid/april_2019_current_affairs_ibps_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7208/6435/files/85352897824.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9212/2527/files/34886888738.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5289/8739/files/macbeth_summary_act_1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6307/3185/files/how_to_describe_trees_in_the_wind.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5086/4287/files/android_action_bar_hide_and_show.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_off00007ad9.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000afb7.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000afb7.bin)

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