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://xajibur.ru/123?utm_term=molarity+calculations+including+dilutions+worksheet+14 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4476567/normal_603ed492828c7.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4452852/normal_60b3e3fa273f2.pdfIn PDF document text
  • https://bofeliwibetu.weebly.com/uploads/1/3/2/8/132814086/f609dc14.pdfIn PDF document text
  • https://panodetis.weebly.com/uploads/1/3/4/6/134669877/f3a1ecd5e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367290/normal_60bced31d554c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_6010c869205f8.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4371508/normal_60b004c1d2e56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408586/normal_6041fb8b870e9.pdfIn PDF document text
  • https://nuwebobejope.weebly.com/uploads/1/3/1/4/131407692/72279a6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488335/normal_604f4bb780fe3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/463ba56a-2c79-4df6-905f-26e583cc80c9/23647289506.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4537adc1-fd13-4602-aff5-88a12d61c4f4/the_rock_cycle_lab_answer_key.pdfIn PDF document text
  • http://jagimikat.pbworks.com/f/how_to_backup_whatsapp_chats_from_android_to_iphone_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ee8a26d-4266-42c1-a7dc-1b8a7376e666/wiroliluvepirixawagetoxu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca69e3e8-608f-4c2f-9922-368f38cbd2a8/baby_bjorn_travel_crib_mattress_cover.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6801cdec-7560-4528-9ac5-129cc2cd4411/winchester_model_12_bb_gun_review.pdfIn PDF document text
  • http://rukutuxeriro.pbworks.com/f/how_to_treat_a_chicken_with_a_broken_leg.pdfIn PDF document text
  • http://tagiruxot.pbworks.com/f/5.3_independent_practice_answers_7th_grade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba3b162c-0cd5-44ec-8084-f38062876dc5/63342433470.pdfIn PDF document text
  • http://munonoraze.pbworks.com/f/goal_setting_worksheet_for_college_students.pdfIn PDF document text
  • http://xodelow.pbworks.com/w/file/fetch/144471453/.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e711643e-ff60-4128-9965-902d401f53dc/30954710211.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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