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://cctraff.ru/aws?keyword=free+calligraphy+alphabet+practice+sheets+pdf In PDF document text

  • https://nojefawagalubab.weebly.com/uploads/1/3/4/2/134266261/52a91d37cf12ad.pdfIn PDF document text
  • https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/6034297.pdfIn PDF document text
  • https://zavomafig.weebly.com/uploads/1/3/4/3/134356936/2067618.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/vopenuviwofet.pdfIn PDF document text
  • https://tanutalavisa.weebly.com/uploads/1/3/4/0/134000413/6fd04e2e144.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006cfd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006cfd.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000b808.bin)
  • https://uploads.strikinglycdn.com/files/97ad9c8d-1baa-45e0-ba57-78d64ac80ff2/16420056028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15592b28-05d3-4d60-b535-329d13a61448/95868610070.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6206/5828/files/19179851396.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3164/9689/files/emulator_android_untuk_windows_7_ultimate.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8640/5029/files/fegutufaguwozexawa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1790/3521/files/bowarovufawagabodapudawel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7107/3173/files/probe_master_4232_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb677687-a73f-48aa-ba63-1caabecd8861/92493950448.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1737805-7465-4e7d-a65a-7d0c4f7e12de/gamixeburo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d53cfa6b-1ff0-4a61-96d0-6155f1cc0c84/macroeconomics_olivier_blanchard_dav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70d90fab-562e-44f7-8e23-619dbc774076/midea_dehumidifier_wdk30ae6n_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd9597d7-d953-4f9e-b06a-f0be53f8faf3/89908071184.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/sudemowitadulufotala.pdfIn PDF document text
  • https://s3.amazonaws.com/tejuvonixag/ida_pingala_sushumna.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/33449623948.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/calculus_1_book_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8997/2385/files/ejercicios_leyes_de_los_signos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/5171/8070/files/84453099901.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_off00006cfd.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a3a0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a3a0.bin)

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