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.
• 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://catamma.ru/pbw?utm_term=algebra+2+common+core+book+pdf PDF link annotation

  • https://wobafelu.weebly.com/uploads/1/3/4/6/134613510/gulileditegaxub.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408721/normal_602a828cb96e3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4444096/normal_5fe570728edde.pdfIn PDF document text
  • https://mabaxezo.weebly.com/uploads/1/3/4/7/134766945/parebigut.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501794/normal_6045044b51c40.pdfIn PDF document text
  • https://korebamo.weebly.com/uploads/1/3/0/7/130739662/9880335.pdfIn PDF document text
  • https://wozuxepu.weebly.com/uploads/1/3/4/4/134478893/dafiboli.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/cf19202b-825d-4e01-811d-2ae2533ed037/what_sleeping_position_is_best_for_menstrual_cramps.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1eff858-b542-4abc-bf1a-d05350c35dcb/mims_drug_handbook_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e09bcd5-2500-464e-b67b-53a9b86c55d4/39837440926.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ea62e64-cde4-44e2-820a-d3b5a32ac8b4/samsung_galaxy_note_4_datenblatt.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73376b6c-097e-47f9-b921-7eb59030d7e3/canon_pixma_mg3120_ink.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/520f32e4-4024-4594-ab00-6b8bc809479a/98187211135.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/610729c0-e879-4b7e-8223-2a6d8e4efb40/what_is_marine_microbiology_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e3c4a45-df3f-46ce-b747-eb1c571fa817/wujobez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e4970ae-d981-4f9c-a975-225b2e51d283/best_electronic_gifts_for_12_year_olds.pdfIn PDF document text
  • http://kapetipubi.pbworks.com/w/file/fetch/144426765/world_coin_price_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/280abf5e-acba-42ed-b502-c60879931cc8/john_deere_high_lift_bagger_mower_blades_42-inch_cut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b09a565a-0f85-4fab-bd4c-978b3668bba4/muvisovi.pdfIn PDF document text
  • http://dipoziw.pbworks.com/w/file/fetch/144451557/descargar_juegos_para_emulador_ppsspp_para_pc_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd9f0369-597c-4219-8795-bdfcf4e689b5/xiwej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea1fa158-b645-40d1-8cc6-19c4f0244182/how_long_does_polaris_280_last.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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