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.
• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://zajinet.ru/award?keyword=brm+book+pdf PDF link annotation

  • http://mazers.fun/413568491882dhfj.pdfIn PDF document text
  • http://securityofusersdevicesonline.site/uncle_ato_mensuro_worship_songq7imf.pdfIn PDF document text
  • http://investmag.org/77336976257zx7yr.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://696f1bd8-06c3-47a7-a8f7-e83e17ec8d18.filesusr.com/ugd/5ad03d_d3225b5047ca4879977ad7a73f6890b5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c489be83-0353-4193-b058-5cb5f1004338/change_standard_reader_windows_10.pdfIn PDF document text
  • https://7835c217-6b95-46a1-915a-76cdebae3fe0.filesusr.com/ugd/debfb4_c75cf9ee2c52407f9376679f6d9693b5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d510c992-e187-4f72-9793-4d0ea28ce814/nidopumanakajerapojok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d9f942b-b4a2-4d97-b201-8171a46d301f/51773035158.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8248511e-c0f7-4a5c-86df-4ee9ece9d6e7/a_confederacy_of_dunces_chapter_5_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27b113b3-c9d9-44ff-9455-2c99c3f30def/what_is_the_theme_of_the_story_the_pedestrian.pdfIn PDF document text
  • https://s3.amazonaws.com/farowug/angular_5_dynamic_formcontrolname.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c903c16-57bd-4d0a-a549-b385afdafed5/pc_wireless_controller_gaming_receiver_for_microsoft_xbox_360.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b26beb01-106c-4d7b-ba3f-1750ac2d880e/82527882025.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c8e430e-8c73-4603-a674-6a208ab97f33/how_do_you_write_an_impact_report.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93881007-8116-441c-a6bb-4011262ac024/dunkin_donuts_latte_sugar_content.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb2a437c-9ce4-4fc2-a297-b085a27319a3/oral_b_white_pro_1000_vs_sonicare_4100.pdfIn PDF document text
  • https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_f3dbcc634eeb46839f11cd1d058f2498.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/283a75b9-3cd6-4a87-b2f6-d24059ed64cb/68478761534.pdfIn PDF document text
  • https://s3.amazonaws.com/tevigotu/fopaserabatukiner.pdfIn PDF document text
  • https://s3.amazonaws.com/nevovumowa/gejariwewovozam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29b5ec7a-2591-42c3-842d-5d2957fcc4e7/7460050203.pdfIn PDF document text
  • https://s3.amazonaws.com/bofake/chakram_telugu_movie_songs_320kbps.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cd87cef-2a90-481a-9af6-10eab6235d65/norinir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6c36b29-9015-4a7a-95f0-fa5296a6f009/5_tipos_de_formatos_de_archivo_de_imagenes_digitales_mas_utilizados.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c082c037-33b2-400f-8beb-c45ebc173a64/91114279359.pdfIn PDF document text
  • https://s3.amazonaws.com/wunojipu/casio_5081_ga-100cf_manual.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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