Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://crophysi.ru/wix?keyword=cse+8a+ucsd+reddit PDF link annotation

  • https://cdn.sqhk.co/vagekoxes/wlwjhO2/zegirulewupofofot.pdfIn PDF document text
  • http://chategratis.online/rebelion_en_la_granja_pelicula_completa_en_espaol_latino_descargar6ugce.pdfIn PDF document text
  • https://cdn.sqhk.co/fuwufupi/ThcgcHT/67684827038.pdfIn PDF document text
  • https://cdn.sqhk.co/wuwovodegi/hiibJhD/diablo_2_infector_of_souls_help.pdfIn PDF document text
  • http://reform-st.ru/narnia_2_prince_caspian_soundtrackbdn2k.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4189847-d5c3-496c-b911-59b0c7ac5526/how_to_find_the_integral_of_arctan.pdfIn PDF document text
  • https://73a1781f-5c9f-4c76-8a11-a8e8c44f336a.filesusr.com/ugd/d9f7b5_59883c084d934381ab478e0bcbc4ac1e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e812a19-512c-4283-8ed0-4ef49fc212df/2178298256.pdfIn PDF document text
  • https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_37af60c2d5004512a6c154d61cc8f340.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b30d0208-5f6e-490f-97fd-4dd4ab651ae2/secret_of_the_ages_book_review.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db147416-70e1-4860-8557-dc7847747f87/xadapivobufegobif.pdfIn PDF document text
  • https://c931c956-7f53-4e4e-96dc-27d7f003ba63.filesusr.com/ugd/b80c10_5fb49a6768ef4b32b405703b78b442cc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f677866-c7e5-44d4-959c-463e6c0b7f89/what_toppings_does_jersey_mikes_have.pdfIn PDF document text
  • https://s3.amazonaws.com/biwubeleba/lalevevabilixozo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/742d9f40-b268-4ffc-a330-78f070e1cfe5/will_there_be_a_season_5_of_the_crown_on_netflix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c1349ca-0d3b-45c8-a139-361072fa9417/geometry_basics_worksheet_answers_gina_wilson.pdfIn PDF document text
  • https://s3.amazonaws.com/wezukep/ernie_ball_vp_jr._passive_volume_pedal.pdfIn PDF document text
  • https://s3.amazonaws.com/wukara/julavolel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/111ff45a-0ab2-479c-b9f2-e15dfc6b839e/what_is_the_tone_of_the_poem_dreams_by_langston_hughes.pdfIn PDF document text
  • https://7a48fde5-f9d1-4ce4-84a2-8b156d245d18.filesusr.com/ugd/8127dd_c1df21767e7e4ecb8231e6f56f284e00.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/949f6b3a-e2f5-4bfe-921e-8c29901f41e5/sennheiser_rs_120_ii_wireless_headphones_review.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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