Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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
• External URI info PDF_URI
  PDF contains an external URL action
• 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://kuzutuzo.ru/strik?utm_term=surah+yaseen+beautiful+voice+in+the+world PDF link annotation

  • http://detonic-shop.website/pesaxetejekepykcr.pdfIn PDF document text
  • http://aydym.club/5772875279743ts8.pdfIn PDF document text
  • http://bcpzonasegura10beta-viabcp.com/103618522301xtrs.pdfIn PDF document text
  • http://avit0.cc/major_mayhem_mod_apk_hack96i03.pdfIn PDF document text
  • http://trenolgia.buzz/how_to_check_if_water_heater_is_getting_power0gryd.pdfIn PDF document text
  • http://gallery-shop.site/pompeii_bastille_violin_sheet_musiclyxm2.pdfIn PDF document text
  • http://bonus332.site/retinoblastoma_pediatriabrzyb.pdfIn PDF document text
  • https://raxorevowipafe.weebly.com/uploads/1/3/4/7/134765671/f0bd72604e66f.pdfIn PDF document text
  • http://harmony-market.ru/fotarugop7dkza.pdfIn PDF document text
  • https://warevinigipa.weebly.com/uploads/1/3/4/8/134898994/bokurixibajo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://33da92c3-26de-4f6b-bf12-1693cb6a6e79.filesusr.com/ugd/0307f2_287905aaf0aa4e079645e223a0c414a1.pdf?index=trueIn PDF document text
  • https://183cab0c-2e2b-44e6-b55a-0f82cb58e578.filesusr.com/ugd/133137_157e6c56da6148558295a7e9670bfd29.pdf?index=trueIn PDF document text
  • https://cfecb619-c0f5-418d-ae9d-b1147643389f.filesusr.com/ugd/4cd51e_55d85226f8d74c09a2ebec14db62a097.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/mefonevimimix/compressing_file_size_mac.pdfIn PDF document text
  • https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_5bbae455b1614c08aea8be4752bc4453.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xunilukegez/234491829.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisi/60702601788.pdfIn PDF document text
  • https://45ae50e1-98a8-4501-9ad6-fc0df438eb43.filesusr.com/ugd/b16523_a6f7527053ff46a6a55cc74858978a61.pdf?index=trueIn PDF document text
  • https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_cf1247e7b79e479d9f0bafb89853a29e.pdf?index=trueIn PDF document text
  • https://189c2d36-84ff-4b81-9465-96c33c1d3b91.filesusr.com/ugd/35ddae_675978ab15aa44d08267da1c2f112504.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sizadagazagaj/scala_rider_q3_spare_parts.pdfIn PDF document text
  • https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_ca2a433cd45c41a0b7c7778e0c66bd0d.pdf?index=trueIn PDF document text
  • https://dca540c6-954d-4243-9f09-0921753db957.filesusr.com/ugd/974a4e_380e6a8ec8cb4a8da1d29bda6d96abf5.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xijalovelokolep/xujibezisuwofakimodagofo.pdfIn PDF document text
  • https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_1a91513ccb824272baefa2d9a6f345bd.pdf?index=trueIn 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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