Malicious PDF — malware analysis report

Heuristics 8

• 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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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/strik?utm_term=windows+server+2012+r2+iso+direct+link PDF link annotation

  • https://kowirakixodoxe.weebly.com/uploads/1/3/4/4/134467502/luvenew_kevaku.pdfIn PDF document text
  • https://gipumoku.weebly.com/uploads/1/3/4/7/134710759/403520.pdfIn PDF document text
  • https://dirifulezidume.weebly.com/uploads/1/3/2/7/132740871/5453387.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402956/normal_60660e6bc3620.pdfIn PDF document text
  • https://xuzopodoker.weebly.com/uploads/1/3/0/7/130738955/saderuxijitada.pdfIn PDF document text
  • https://basazujuw.weebly.com/uploads/1/3/5/3/135301233/deneneboxim-bezixopug-rewumovuv-mowidufevorez.pdfIn PDF document text
  • https://mozakemu.weebly.com/uploads/1/3/0/7/130738716/3d9a300853aa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462993/normal_60691ad40f0db.pdfIn PDF document text
  • https://mibivatoroxup.weebly.com/uploads/1/3/4/7/134762409/439607.pdfIn PDF document text
  • https://lolifibek.weebly.com/uploads/1/3/4/6/134634661/5840941.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://s3.amazonaws.com/bokelur/installing_hp_officejet_4500_wireless_without_cd.pdfIn PDF document text
  • https://s3.amazonaws.com/jepinebawo/what_does_the_bible_say_about_toxic_family.pdfIn PDF document text
  • https://s3.amazonaws.com/firudegix/batman_the_dark_knight_returns_part_2_batman_vs_joker.pdfIn PDF document text
  • https://s3.amazonaws.com/galinikagopit/lubemebivevixuke.pdfIn PDF document text
  • https://656adf98-7a81-40bd-8d0f-2b9c27d09201.filesusr.com/ugd/268ab1_5a9bd11c83d141aca3f88ad507c39b10.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/luworizesupox/sda_church_hymnal_ppt.pdfIn PDF document text
  • https://9d349da1-218b-4b59-9e37-2a90cab56d40.filesusr.com/ugd/de9003_c557d18161644032a534004dcad113e2.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/bejexe/how_to_set_a_home_thermostat.pdfIn PDF document text
  • https://db532842-334f-4efb-8993-e67ec8f20ff5.filesusr.com/ugd/bc5be3_7459514e79684f50b68538cfafd217a9.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dowavelaxam/vusep.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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