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://golowaki.ru/strik?utm_term=difference+of+two+squares+worksheet+doc PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4475571/normal_604db2720ab4a.pdfIn PDF document text
  • https://cdn.sqhk.co/zipuzedozame/Hv4kiiC/bobolof.pdfIn PDF document text
  • https://cdn.sqhk.co/benibavagoge/ph9whgF/cute_pixel_art_color_by_number_online.pdfIn PDF document text
  • https://cdn.sqhk.co/fixefalid/ha7Kiig/nickelodeon_kart_racers_xbox_one_digital_download.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374699/normal_5fd384d1a36e7.pdfIn PDF document text
  • https://cdn.sqhk.co/tutabudoxuwa/hgejahf/top_40_songs_bbc_radio_1.pdfIn PDF document text
  • https://cdn.sqhk.co/tezikegoj/jiJjbif/bad_genius_malay_sub.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://994180ce-385f-4272-9833-4a204a825e0f.filesusr.com/ugd/ec0c41_5e864fc4fac149718e4e38d523b0ab7c.pdf?index=trueIn PDF document text
  • https://721ea522-a1f6-4523-903e-24b3c8014629.filesusr.com/ugd/5a834c_f4e746380ba34784a599949f9cdee000.pdf?index=trueIn PDF document text
  • https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_d2f56cf6be7247aa935c3587fe069faa.pdf?index=trueIn PDF document text
  • https://aa4de0c4-a7fb-47f6-97fe-5721705e71c1.filesusr.com/ugd/824332_8a7928dc2e94439f843bf04b80aa5f24.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd8d1725-987b-4287-903c-bb53d3f5df71/kukebatofebomoperuto.pdfIn PDF document text
  • https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_7eae4e186bdb4c18a4e1d40a4f9a1a4b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4cad1df-eefe-42e2-a8e0-66ac26325af6/vepokapemafixodituxutexun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a34bb0f4-dde6-4520-af74-b07c5ae96311/dixosatatufep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6aa26fc-46b8-476d-a3e0-951ef32ec372/37104754386.pdfIn PDF document text
  • https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_1cf43951adde4234a0cd39d650391e07.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/470f3477-4ac8-4445-8c41-544697f21a0d/how_to_teach_a_child_to_not_interrupt.pdfIn PDF document text
  • https://c8f0d892-4c73-447a-841b-b6a48a565a7d.filesusr.com/ugd/928a57_6280be8de8564eb9a7009f4d252237bf.pdf?index=trueIn PDF document text
  • https://58960a86-a3f4-42d8-866e-ee2cf32068b1.filesusr.com/ugd/1ad962_f64a3d318a5547caa93f44c5acab8b1b.pdf?index=trueIn PDF document text
  • https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_df848de3033a435dbeee2aefb59c7d8b.pdf?index=trueIn PDF document text
  • https://041aa876-b65b-432c-96c0-58c8b295a4e4.filesusr.com/ugd/90d19e_324d70e3916c41ac9fa129f1253ea4bf.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7316e99c-b85f-4831-9fb4-3360850b9168/39708063005.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46cdacf4-7226-4843-b550-417d372e20fb/the_aeneid_translation_book_6.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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