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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://leonvi.ru/award?keyword=aptitude+shortcut+tricks+pdf+download PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4481403/normal_6035f058771b0.pdfIn PDF document text
  • https://jezisivakutuxek.weebly.com/uploads/1/3/4/8/134862078/vorasirulubemapa.pdfIn PDF document text
  • https://newejata.weebly.com/uploads/1/3/3/9/133999860/7172167.pdfIn PDF document text
  • https://pupadidaf.weebly.com/uploads/1/3/0/8/130873798/vedotenufo.pdfIn PDF document text
  • http://wezenilokiwuv.iblogger.org/annayya_audio_songs_naa_songs.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454825/normal_5fee18c9b0a5a.pdfIn PDF document text
  • https://xuberirerumona.weebly.com/uploads/1/3/4/5/134586272/jubiluwobabuwavo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374533/normal_6032a5576d462.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446394/normal_604472e7d793f.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://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_7568d77005034842a8f55e758c3e06a7.pdf?index=trueIn PDF document text
  • https://8ed62699-7d02-4439-b935-4286882ef7d4.filesusr.com/ugd/229b11_91fc81879c364eedb49234ef36cb2bdb.pdf?index=trueIn PDF document text
  • https://696f1bd8-06c3-47a7-a8f7-e83e17ec8d18.filesusr.com/ugd/5ad03d_de109d5d7f6e4ef9885b9f9f50d84af2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1c79977-f198-4e2d-a5cc-f41f679681e0/zuneg.pdfIn PDF document text
  • https://98cdd5c5-c43e-49eb-9373-39517e896cbb.filesusr.com/ugd/90661f_1ba8f826c3b547ea843fdfb6a19171d9.pdf?index=trueIn PDF document text
  • http://javozajesaretu.epizy.com/blank_cartesian_plane_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2dc5e21-db41-46a1-b416-313ac18f3f52/krav_maga_training_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5df61a2a-9e8f-4bda-bbf9-e0301b189bf4/computer_dummies_books.pdfIn PDF document text
  • https://189c2d36-84ff-4b81-9465-96c33c1d3b91.filesusr.com/ugd/35ddae_6d686a67984d40848447f8761eed3ed2.pdf?index=trueIn PDF document text
  • http://sikedizu.rf.gd/kitchenaid_ksm150ps_artisan_stand_mixer_5_quart_matte_velvet_blue.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64336964-a203-40cc-8b7b-29695f21b432/xafifiwebajizubafupopa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb46085c-b0f6-4ed7-a9d8-1fd836433a2c/what_is_the_composition_of_oceanic_crust_and_continental_crust.pdfIn PDF document text
  • https://f62823ea-e863-4eb7-bd7c-e3bac0139ff1.filesusr.com/ugd/8c639a_2b00002aaff648758629473c6027a96c.pdf?index=trueIn 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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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