Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://maypoin.ru/123?utm_term=myocardial+ischemia+guidelines PDF link annotation

  • http://9gusevshop.space/47194580820hgr1t.pdfIn PDF document text
  • http://xurixekan.22web.org/10927675808.pdfIn PDF document text
  • https://dirukarizudabi.weebly.com/uploads/1/3/2/3/132303081/nedevobavujofeti.pdfIn PDF document text
  • https://fosevikotik.weebly.com/uploads/1/3/1/6/131637163/ziramudowuwexuw_xukovimutabin_jamudifipofed_dixowenesejo.pdfIn PDF document text
  • http://juluzenaluziwo.22web.org/how_do_i_sync_my_logitech_mk700_keyboard.pdfIn PDF document text
  • http://flowerport.store/27134228814yy8h2.pdfIn PDF document text
  • http://bitcoins-profits.com/hopital_pix_96eqg0.pdfIn PDF document text
  • http://lisolu.org/91096172740rkajk.pdfIn PDF document text
  • https://refapolujagosax.weebly.com/uploads/1/3/4/8/134896756/kanalojudifatobazi.pdfIn PDF document text
  • https://kisuwirabavaruz.weebly.com/uploads/1/3/3/9/133999170/luwavelopirikul-papavale-palikufimu-pomesuko.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://guligovidafijew.rf.gd/86838934603.pdfIn PDF document text
  • http://zoponoz.epizy.com/leg_anatomy_muscles.pdfIn PDF document text
  • https://ea64ff4c-51e6-4efc-8cc1-399682447901.filesusr.com/ugd/961f18_4f6e5b525bd745b5ad7d1c7026a9bcdc.pdf?index=trueIn PDF document text
  • http://difufoj.rf.gd/anyong_lupa_worksheet.pdfIn PDF document text
  • http://bulujulu.rf.gd/chernobyl_tv_series_episode_guide.pdfIn PDF document text
  • http://paxinariseb.rf.gd/the_throne_of_fire_series_book_1.pdfIn PDF document text
  • https://e06e8306-d71e-4c92-aa1b-e8c52eeb44cb.filesusr.com/ugd/bc4951_8f21d0632d7c41a48d61119fbeb1c3b0.pdf?index=trueIn PDF document text
  • https://0df6220b-9630-4647-aab6-0d9db69b9d59.filesusr.com/ugd/8b97dd_db5ea580f29d40629a0c13dd3eb520db.pdf?index=trueIn PDF document text
  • http://xekujigifur.epizy.com/wastewater_treatment_plant_process.pdfIn PDF document text
  • https://580b68e3-2104-4118-ae5b-4f285de1c062.filesusr.com/ugd/dad7b5_71636e1a83284911a4f4f197c2169db2.pdf?index=trueIn PDF document text
  • http://midupebuk.rf.gd/gizizugojaloramoxur.pdfIn PDF document text
  • http://gokegufokefewev.rf.gd/edexcel_further_maths_textbook_answers.pdfIn PDF document text
  • http://lulawutereb.rf.gd/sejuruzuwuwonul.pdfIn PDF document text
  • https://01ff271a-2d66-4e22-ac0f-a796646d2f56.filesusr.com/ugd/8d93e9_e5a6185e985649368e0b8c1db7290c61.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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