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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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/wix?keyword=system+requirements+lab+for+intel PDF link annotation

  • https://cdn.sqhk.co/xoguvamev/cUhpjfx/mysejahtera_check_in_history_for_company.pdfIn PDF document text
  • http://pefapesobo.22web.org/what_is_a_funny_book.pdfIn PDF document text
  • https://cdn.sqhk.co/lirerafi/bH8Wjb8/oh_k_bubble_sheet_mask_review.pdfIn PDF document text
  • http://xanarixumafiju.iblogger.org/2611807029.pdfIn PDF document text
  • https://cdn.sqhk.co/gukisafuw/jegfOgf/photo_recovery_deleted_photos.pdfIn PDF document text
  • https://cdn.sqhk.co/gunonutib/cArPgdN/vudifu.pdfIn PDF document text
  • http://jekebes.iblogger.org/interview_questions_and_answers_for_call_center.pdfIn PDF document text
  • https://cdn.sqhk.co/jesisoritet/aJifYyl/9520272909.pdfIn PDF document text
  • https://cdn.sqhk.co/neganobasiwe/agfUMgh/50070959105.pdfIn PDF document text
  • https://uploads.strikinglycdnIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tagejenetel.rf.gd/5497529184.pdfIn PDF document text
  • https://2fe0a9f4-4d23-48c4-8711-d5fb25093877.filesusr.com/ugd/683a75_5654c60ab0344ccb993624f1fcb3af1f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2d277f9-a34e-4e09-81c3-3fb7e79fbd64/79390455779.pdfIn PDF document text
  • https://s3.amazonaws.com/mubefula/is_s_curl_bad_for_natural_hair.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91fc62b9-2663-4480-9197-35df91e3c1b4/alcatel_one_touch_pixi_3_frp_bypass.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/pegofipumi.pdfIn macro / runtime command snippet
  • https://s3.amazonaws.com/xapijifas/amazon_prime_music.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8dd12f45-ef87-4ff0-bce8-0e18aebfef27/tcp_ip_and_osi_model_explained.pdfIn PDF document text
  • https://s3.amazonaws.com/zuwimadaneb/mibunasej.pdfIn PDF document text
  • http://natipezosepe.rf.gd/rococo_art_movement.pdfIn PDF document text
  • https://s3.amazonaws.com/loranoduzuja/the_lone_ranger_tv_series_episode_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7975340e-04fc-4ee8-94f5-a5d0c7e64dae/82012231198.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6bba462a-3247-486d-849d-c3a72d247b97/68138130178.pdfIn PDF document text
  • https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_e2c084281b9646b9a9d5ebead3c53755.pdf?index=trueIn PDF document text
  • https://4b4ea461-5266-411b-8735-d5290551f550.filesusr.com/ugd/7fedcf_f9822e7c735644209f8a7cc510cc51d1.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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