Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://yafferge.ru/award?keyword=arteriosclerosis+multiple+pdf In PDF document text

  • https://cdn.sqhk.co/rifarako/fibgclp/how_to_use_infusible_ink_sheets.pdfIn PDF document text
  • https://cdn.sqhk.co/rixutixim/ajejfgd/mini_basket_basketball_game_diy.pdfIn PDF document text
  • https://cdn.sqhk.co/guwuweri/ighjjja/wizajuwabasodimigi.pdfIn PDF document text
  • https://cdn.sqhk.co/zimuteraf/dNVWGih/trick_pool_shots_masse.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://af8e4364-7f8a-45ec-af3e-d69da1c27fbb.filesusr.com/ugd/12c36c_a8b960f9a96940ce9ee2c425157a70b0.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dusubonifu/android_device_manager_app_adm.pdfIn PDF document text
  • https://s3.amazonaws.com/fuzafuzeruwit/84116629986.pdfIn PDF document text
  • https://s3.amazonaws.com/zobuwubedak/hamilton_beach_roaster_oven_turkey_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37007845-e994-4a30-959f-5449cce4ee4d/what_is_reiki_level_1_attunement.pdfIn PDF document text
  • https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_e4dfff0837f94b9d82c490191947f7f3.pdf?index=trueIn PDF document text
  • https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_84ac7b05c0d845198f1c7435db77b90e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdfa66d1-ab0d-4c0f-a50d-3b427cba4490/ap_worksheet_00d_elements_and_symbols.pdfIn PDF document text
  • https://a39ac558-8fe8-437d-9e10-dc9402d6cb9c.filesusr.com/ugd/1ebe14_b6c2294b41c643a08930be7fe90bb775.pdf?index=trueIn PDF document text
  • https://748e6e98-33e2-4bd1-95aa-01ea3505a154.filesusr.com/ugd/704f6c_922a658522fa47058a98c3398a049cf6.pdf?index=trueIn PDF document text
  • https://05b56818-8b0b-4484-a411-4f1234233f1c.filesusr.com/ugd/e49726_ce6076b902df4c0aba4dfae6ed12290a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/luborinizu/office_word_calendar_template_2016.pdfIn PDF document text
  • https://0e75ab8e-f6a1-4360-bef2-1d94e06fde4e.filesusr.com/ugd/c0518c_dbe4acd64b66491381e5a340fabe22b0.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dufekifaral/bulla_vanilla_ice_cream_nutritional_information.pdfIn PDF document text
  • https://e0eedba4-cf99-4c42-97f5-d3f9ae5832dd.filesusr.com/ugd/e36ea7_f2e49207b1d74080bd01dce9d120c5b4.pdf?index=trueIn PDF document text
  • https://8d5bcf17-53f2-4f21-b585-7a27aef14131.filesusr.com/ugd/7baf93_4249199b4a514b2fbf39d96fb48b6933.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5ba01ee-a053-42bb-bed5-989e789e7fae/how_to_pass_the_pn_nclex.pdfIn PDF document text
  • https://28546a20-d0cc-4b82-bb4f-6711990cd5a3.filesusr.com/ugd/0bcf16_0242d3c5fa1240569b2370431aaffad5.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://scripts.sil.org/OFLIn PDF document text

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