Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://yafferge.ru/123?utm_term=biosphere+facts+and+information In PDF document text

  • https://cdn-cms.f-static.net/uploads/4464871/normal_600f10fbe43d5.pdfIn PDF document text
  • http://znakomstva18x.site/kaplan_sat_prep_2020_reviewsukjfj.pdfIn PDF document text
  • https://vofagutozotu.weebly.com/uploads/1/3/4/3/134337458/nudobuwadikaw.pdfIn PDF document text
  • http://bostpolamos.site/vmware_certification_guideqjv8q.pdfIn PDF document text
  • https://gunarolapikomi.weebly.com/uploads/1/3/4/4/134442839/7642327.pdfIn PDF document text
  • https://nimaxosonoj.weebly.com/uploads/1/3/4/8/134897368/82582727a626c7.pdfIn PDF document text
  • http://okstore.info/62838575454yxoyn.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450632/normal_605c2b6827ce4.pdfIn PDF document text
  • https://fikadodovawewa.weebly.com/uploads/1/3/4/3/134320255/foduzeju.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/8839ef2d-bfb8-47a5-9f7d-4d2276854625/toro_model_20332_drive_belt.pdfIn PDF document text
  • http://sotilikesad.epizy.com/99815387887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b85e9cc-9b6f-4f5b-8ae6-5ead0f6cdef7/delonghi_oil_heater_1500w_harvey_norman.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3648b3fc-076c-47f7-b015-d2629162c6a5/fight_club_book_goodreads.pdfIn PDF document text
  • http://lesupaj.epizy.com/3279896449.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/398b6606-5c81-4c40-9431-157deb6217ad/cfa_level_1_topics_weightage_2021.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e98a56d6-555c-4889-920e-296779c31d02/91538863352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bcbf1359-e0e3-4a50-a2cb-9f0a06dee637/new_york_take_5_winning_numbers_tonight.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c53ec832-b644-4c17-9404-e85637d28b44/how_to_share_a_post_to_your_story_on_facebook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14aa3c8b-1b69-4718-8ce8-889c4588a283/corsair_760t_black_atx_full_tower_case.pdfIn PDF document text
  • http://tewamenuve.rf.gd/71327527209.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4174da2-37d1-44d6-8c0f-61b2f89051ae/jazagul.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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