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
• 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://cructi.ru/pbw?utm_term=some+isosceles+triangles+are+equilateral PDF link annotation

  • https://ranitezal.weebly.com/uploads/1/3/1/4/131438109/nonafatogalubovag.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/2586860.pdfIn PDF document text
  • https://tujigagozevako.weebly.com/uploads/1/3/4/2/134266307/75107.pdfIn PDF document text
  • https://tariroviwobin.weebly.com/uploads/1/3/4/7/134715354/mazodabulixobufa.pdfIn PDF document text
  • https://sivekilupikuma.weebly.com/uploads/1/3/4/4/134491743/8759359.pdfIn PDF document text
  • https://bikujezojodu.weebly.com/uploads/1/3/4/5/134587809/kevaborotali.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/3e77ead8-2ef5-47a6-bbc3-574b0772e444/what_is_the_cricut_rotary_cutter_used_for.pdfIn PDF document text
  • http://xuvabufoj.pbworks.com/f/pifaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f323e0a-f386-43cf-befd-2a44fda6939b/verizon_fios_ipv6_configuration.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a6fc73b-c1eb-4983-af1c-72264e203e9d/what_is_the_ending_of_annihilation.pdfIn PDF document text
  • http://zilujilixeti.pbworks.com/w/file/fetch/144784383/gemumufuzipomokusagakabum.pdfIn PDF document text
  • http://kemususi.pbworks.com/w/file/fetch/145095582/97630276130.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ef7f7b6-1bb2-4903-be9f-3884d71ea0a9/what_is_the_best_rated_inflatable_hot_tub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17871dc1-c047-4e85-9085-cc0e3f448b1f/67827895586.pdfIn PDF document text
  • http://mamejoniza.pbworks.com/f/gotoubun_no_hanayome_season_2_manga.pdfIn PDF document text
  • http://mukonisu.pbworks.com/f/fortnite_mod_apk_unlimited_v_bucks_2021.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff394f73-abbe-4530-a0e0-c7a2f6c1bf08/schematic_diagram_of_fractional_distillation_of_crude_oil.pdfIn PDF document text
  • http://ziriwuru.pbworks.com/w/file/fetch/144500517/63904199833.pdfIn PDF document text
  • http://sagabum.pbworks.com/w/file/fetch/145109994/87328562812.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9faffc1-7b55-46b9-812e-32e121a4052f/rokejinerozanemokisume.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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