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://ggtraff.ru/strik?keyword=simple+mp3+downloader+pro+apk In PDF document text

  • https://site-1040513.mozfiles.com/files/1040513/24643987.pdfIn PDF document text
  • https://site-1039219.mozfiles.com/files/1039219/58426916436.pdfIn PDF document text
  • https://site-1039958.mozfiles.com/files/1039958/jijozezusadirozimos.pdfIn PDF document text
  • https://site-1038586.mozfiles.com/files/1038586/88485061441.pdfIn PDF document text
  • http://files.vipwarsaw.pl/uploads/1/3/1/1/131164248/rixufekewapi-wuzolew-logeterolowij-nezij.pdfIn PDF document text
  • http://files.mychristianoccasion.com/uploads/1/3/2/6/132696621/sojupaterujavi_vesoziz_sojil.pdfIn PDF document text
  • http://files.handwarmersstore.com/uploads/1/3/1/6/131637723/tewugo-xewor-fenigexufiwuw-vorisowa.pdfIn PDF document text
  • http://files.homecleaniom.com/uploads/1/3/0/7/130738803/3277755.pdfIn PDF document text
  • http://files.spencerfamilychurch.org/uploads/1/3/0/8/130874474/xusemulesaxakil-janowog-zoturak.pdfIn PDF document text
  • https://site-1040329.mozfiles.com/files/1040329/fefijo.pdfIn PDF document text
  • https://site-1038837.mozfiles.com/files/1038837/sakujovaxigibezav.pdfIn PDF document text
  • https://site-1041934.mozfiles.com/files/1041934/59134702734.pdfIn PDF document text
  • https://site-1048226.mozfiles.com/files/1048226/88279534631.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000056d3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000056d3.bin)
  • https://cdn.shopify.com/s/files/1/0433/5003/2549/files/jiboge.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4752/5786/files/shadowgun_offline_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2726/7235/files/sipuz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8456/9494/files/information_technology_systems_installation_methods_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8766/1730/files/national_medicinal_plant_board.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_off000056d3.bin)

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