Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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://jumiwimov.ru/award?keyword=centos+7+commands+cheat+sheet+pdf PDF link annotation

  • https://jokiputukalak.weebly.com/uploads/1/3/1/1/131164130/d22af1a1.pdfIn PDF document text
  • https://cdn.sqhk.co/lolajelor/1p6DACS/g_stomper_studio_mod_apk_download.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451225/normal_5feb5cb40a554.pdfIn PDF document text
  • https://cdn.sqhk.co/jasurisunav/hcTjahc/monobasic_sodium_phosphate_dibasic_sodium_phosphate_enema.pdfIn PDF document text
  • https://sivisobimiji.weebly.com/uploads/1/3/4/7/134754783/4bb6b.pdfIn PDF document text
  • https://cdn.sqhk.co/wopidevepip/chcibcP/nojibopofamafagatezugat.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387716/normal_5fe06ffe63830.pdfIn PDF document text
  • https://mebuduwo.weebly.com/uploads/1/3/1/4/131453299/092311.pdfIn PDF document text
  • https://zelekunidos.weebly.com/uploads/1/3/2/6/132682808/dasoji.pdfIn PDF document text
  • https://busonuvawariba.weebly.com/uploads/1/3/4/3/134355681/7297503.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483365/normal_5fd10fe92f80b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493891/normal_6032808e3ff08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426696/normal_606010fb9c001.pdfIn PDF document text
  • https://xozejobe.weebly.com/uploads/1/3/1/4/131406614/mufovawowe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/609d4b0f-9a3d-4137-8b4e-e8abca5434b7/34350978659.pdfIn PDF document text
  • https://85ed388a-52e0-4e79-9737-9d4b769dda71.filesusr.com/ugd/bb10c5_01937a53c67a4ca281ee9268fe3d7bc7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/19318198-4641-4d06-8ecf-c0d5bf7e3efd/lazojiburoneluzokinabi.pdfIn PDF document text
  • https://c6de0af5-2a4c-46da-924c-839bccb102c6.filesusr.com/ugd/5f1f0f_cb7ff403df0d458b86040d2805002faf.pdf?index=trueIn PDF document text
  • https://2f8a6ab9-e864-4757-b083-6627a13f4c48.filesusr.com/ugd/405339_ba3c35ca6a304053a7e3986d7d9e1332.pdf?index=trueIn PDF document text
  • https://51da6a7d-ee05-4a49-87ee-1b74af3aeb07.filesusr.com/ugd/b80405_c13e349169b44bfabd39de2774c7a1c1.pdf?index=trueIn PDF document text
  • https://d4996ccb-aecf-47c4-aab6-3c4fe022e1b7.filesusr.com/ugd/b7ed05_68093d0854d8467a9e0f6c52ce6d30ac.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0047911b-d1c9-4c3c-874d-f07a8828b3bf/a_que_se_denomina_destilacion_primaria_y_secundaria_del_petroleo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb40421c-7e64-4462-bed4-f1eaa6be1822/watch_the_redemption_project_online_free.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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