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.
• 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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://xezojetit.ru/strik?utm_term=htc+sensation+xl+custom+rom PDF link annotation

  • http://kujamemapevubu.mypressonline.com/11733861486.pdfIn PDF document text
  • http://nenodipemuxok.mypressonline.com/72144995661.pdfIn PDF document text
  • http://ligugiban.scienceontheweb.net/why_is_my_keyboard_not_working_on_my_samsung_tablet.pdfIn PDF document text
  • http://gepavozo.mygamesonline.org/97816666883.pdfIn PDF document text
  • https://gebezemimubitup.weebly.com/uploads/1/3/1/0/131070169/a832a.pdfIn PDF document text
  • http://tapozifokun.mywebcommunity.org/rowutamirekimemege.pdfIn PDF document text
  • https://wowobomufib.weebly.com/uploads/1/3/0/8/130874304/d9d615beaa85f0c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://587b455d-cc79-4428-8e80-a8b75ce23bca.filesusr.com/ugd/021ec8_d0aae4174d9547bba6941923f096f9bc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5fe8224-92a4-4edb-8480-ce065dbe4f1d/iso_31000_risk_management_certification.pdfIn PDF document text
  • http://xipanizi.myartsonline.com/naxorazupezo.pdfIn PDF document text
  • https://87a0d1c6-03e5-4f23-9666-4e8b22a34814.filesusr.com/ugd/3254bf_952dad462d4e47368f9a476939191a25.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc445227-d0f3-49a6-8973-37087862e07e/adobe_premiere_pro_cs5_tutorial_for_beginners.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5529fb3f-8de0-4912-926d-f97ed5208b5b/me_before_you_book_critic_reviews.pdfIn PDF document text
  • http://fabevax.myartsonline.com/63051174724.pdfIn PDF document text
  • https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_79c0f6ab343f4cf8afe2197619675f4e.pdf?index=trueIn PDF document text
  • https://569e8712-2873-4b93-a654-ea71b6b809e3.filesusr.com/ugd/345929_980f71b1806e44d0a7d1953cdb1380ea.pdf?index=trueIn PDF document text
  • https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_877456cb1ee74b4687502eae56910cd7.pdf?index=trueIn PDF document text
  • https://054d5c26-596f-48a3-87a7-0fc79031e5db.filesusr.com/ugd/599026_1df90605336d47609bd69d9fc4d1a164.pdf?index=trueIn PDF document text
  • https://86b7bb9a-6a0b-496c-a062-e8aa60c365d0.filesusr.com/ugd/dcf311_bfcbce67002946668e314f59a353fb1c.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

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