Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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
• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://ponafet.ru/strik?utm_term=total+money+makeover+workbook+pdf+free PDF link annotation

  • http://help-copyrightviolationhelpcenter.com/kipotaxojebobedenaxegujandcr1.pdfIn PDF document text
  • http://lowwsaw.xyz/power_of_thoughts_swami_vivekananda3nzaq.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421959/normal_6029fc974599c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496015/normal_601f0c94cba20.pdfIn PDF document text
  • http://galoomer.online/precalculus_sum_and_difference_identities_worksheetrmm6s.pdfIn PDF document text
  • http://naturka.space/short_notes_on_shooting_an_elephant16790.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454425/normal_601e6e9a6e0fd.pdfIn PDF document text
  • http://copyrighytsupport.com/learn_windows_powershell_in_a_month_of_lunches_second_editionj8x0x.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/724b891e-7b45-4b04-a2a6-a77e180a1a78/66575060503.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1eef166d-bf42-4403-b96b-751bd7df74b0/60582739678.pdfIn PDF document text
  • https://a2fe464c-28d1-4db8-bb2d-552ad9bc2f4d.filesusr.com/ugd/941bb1_93f4eb9cc6c14028b25c5e2edacb464c.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/682b0dd6-71b7-485a-9621-9aec84ec6254/44193808164.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4cd0f56-09a3-4fa0-a6cb-8b2ae6f7a6d0/twilight_breaking_dawn_part_2_full_movie_online_free_123movies.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83916ca6-9869-44c8-bc45-6378fb590cc1/retemijute.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aee717d7-9c9e-483d-8b75-98103846d341/what_does_australian_sandalwood_smell_like.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f36078f-61c4-46da-9150-9868c16f2abb/97965329819.pdfIn PDF document text
  • https://35548484-ce42-4b18-9d9d-834326683263.filesusr.com/ugd/a221b6_71e13b53c7d34917aa563d1a644f5c4f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/57d0ecc0-2990-48b7-82dc-be9730106b95/husqvarna_435_compression_test.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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