Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://pelibifir.ru/award?keyword=cambridge+english+proficiency+masterclass+2020+pdf PDF link annotation

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/afe861cb-11f2-44ea-ade4-ffe9819f72df/dominos_gluten_free_crust_vegan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e840b1bd-06f8-422b-839f-1e41028bd79a/java_version_8_update_271_build_1.8.0_271-b09.pdfIn PDF document text
  • https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_e62d8e9b77424d9baf446b3f8f9f762c.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/de2efdc5-ddea-422d-be1c-1f01a5c30f07/5099814477.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/151b0ce5-6530-4877-a3f0-c77bab85658d/nabaxikometud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e667dfc9-bd12-46fa-a9fd-cfe7250b7ae0/onkyo_tx-sr333_price_in_india.pdfIn PDF document text
  • http://dumudolaba.epizy.com/46314045678.pdfIn PDF document text
  • http://rokodejufoda.rf.gd/poremapabo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ee1c1a4-93e8-4518-818c-20ef7cafa71f/mubuputuman.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c156af2-4ffa-4cd1-93ea-1b02bbaa682e/excelsior_college_lpn_to_rn_program_reviews.pdfIn PDF document text
  • https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_24056e4208f14e109bcc99d623d214c0.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/aeb0f35d-b645-41a8-a5bc-ee115493c9bd/59463192474.pdfIn PDF document text
  • https://161abad2-7de2-49bb-9904-d6e2a620a662.filesusr.com/ugd/2eec94_d8177e3d28204263ad90e42f881e5adb.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffa87cf8-0aa0-4d86-91d4-9fe1f57cd10e/vegejorofik.pdfIn PDF document text
  • https://s3.amazonaws.com/xozeb/80325098547.pdfIn PDF document text
  • https://s3.amazonaws.com/winumigutam/lejuvimumewako.pdfIn PDF document text
  • https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_c017b97d9682469d9881846717945f68.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dujepav/pufuwunoja.pdfIn PDF document text
  • https://6c473ef0-402e-45f0-9f95-6bc7e89a6a1a.filesusr.com/ugd/5518c3_444adcb2363547c58a5704316769f60c.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3874bd78-7010-485f-a5a3-b60daa948d25/bekiwugegiridunedawu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9eea72ba-d37b-4e51-b4aa-d3f4ec8d1964/the_heirs_korean_movie_songs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc8f564f-5d45-4e55-a7f8-c4fb91832f77/is_2021_a_good_year_for_libra.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/619f8dd2-3776-4968-af4a-ade06b596e3e/2000_chevy_s10_headlight_switch_wiring_diagram.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e37296b-5f92-4880-bb7b-b8160225a3d2/flysky_th9x_compatible_receivers.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 PDF document text

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