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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://retumitoratosu.weebly.com/uploads/1/3/4/2/134234586/bugozek_kikikobijofes_vitirezeloxeg.pdf.
• 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://jumiwimov.ru/123?utm_term=tan+application+form+49a+pdf PDF link annotation

  • https://retumitoratosu.weebly.com/uploads/1/3/4/2/134234586/bugozek_kikikobijofes_vitirezeloxeg.pdfIn PDF document text
  • https://duzozutilitu.weebly.com/uploads/1/3/0/9/130968921/6258490.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369914/normal_605c5bf6a76b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478134/normal_6041b55beb8db.pdfIn PDF document text
  • https://tipovasikuvo.weebly.com/uploads/1/3/4/0/134041160/dobalum-fidoxikanar-ropitipun.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465007/normal_5ff0976248e81.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/ce55055e-543c-468f-acba-ea5cd66efbdc/64557744427.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/928b63f2-045b-44be-8c2c-c0283f240d31/i_too_sing_america_julia_alvarez_literary_devices.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f7c5f14-1ab9-4995-a5b6-cca7ce22a5e9/11097799733.pdfIn PDF document text
  • http://zizovitunex.pbworks.com/w/file/fetch/144483114/fosekiroxotubitax.pdfIn PDF document text
  • http://jotoxipigi.pbworks.com/w/file/fetch/144454065/difference_between_first_order_and_second_order_phase_transition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d49d1f5e-e108-4e4d-905e-d869b5f77035/peboxobufegizetatexofupor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb92e72f-9b0e-4d90-a6cf-7bca5419154c/zmodo_camera_setup_guide.pdfIn PDF document text
  • http://runaliguredu.pbworks.com/f/how_much_is_a_room_at_the_grand_hotel_on_mackinac_island.pdfIn PDF document text
  • http://zexowisam.pbworks.com/w/file/fetch/144426417/42230349278.pdfIn PDF document text
  • http://lebunurivugu.pbworks.com/w/file/fetch/144468561/58427403805.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/221398d7-2421-42c9-8743-37782c19f1de/body_reset_diet_smoothie_recipes.pdfIn PDF document text
  • http://larabefejaji.pbworks.com/f/fifa_20_ultimate_team_starter_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68694c90-9937-44b5-97b2-beb0db12e33d/how_to_reprogram_a_dish_tv_remote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fcc976c-b9ac-402d-b91f-4e22f272721f/8346292.pdfIn PDF document text
  • http://gogoporiwo.pbworks.com/f/97965604381.pdfIn PDF document text
  • http://vifogajo.pbworks.com/f/letova.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/091c20f4-f572-4305-9154-d31b8eecf430/sojuwomumasogezameku.pdfIn PDF document text
  • http://bilabegape.pbworks.com/f/venango_county_recorder_of_deeds_search.pdfIn PDF document text
  • http://xoxafepapesu.pbworks.com/f/what_are_bad_character_qualities.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/007fdb4d-2a1c-45e9-b86f-f8738e00a5e7/muzobolonusiz.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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