Malicious PDF — malware analysis report

Heuristics 8

• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
• 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
• 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 http://evacdir.com/antagonism.RmFidWxvdXMgLSBBbmdlbGEncyBIaWdoIFNjaG9vbCBSZXVuaW9uIGRpcmVjdHggOSBkb3dubG9hZARmF?outmoded=drms&shifts=/viatrading/ZG93bmxvYWR8S3g0WTJKa2VIeDhNVFkxTkRnNU16RTVNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.spartan PDF link annotation

  • https://www.sprutha.com/wp-content/uploads/2022/06/Scarface__The_World_Is_Yours_PCgablu1996_Free_LINK_Download.pdfIn PDF document text
  • https://www.rhodiusiran.com/wp-content/uploads/2022/06/valwil.pdfIn PDF document text
  • https://medlifecareer.com/the-flow-modern-man-pdf-100.htmlIn PDF document text
  • https://tunneldeconversion.com/wp-content/uploads/2022/06/FOXCONN_ML194V0_MOTHERBOARD_MANUAL.pdfIn PDF document text
  • https://boardingmed.com/wp-content/uploads/2022/06/Attackonpearlharborcrackfreedownload.pdfIn PDF document text
  • https://www.2tmstudios.com/resident-evil-hd-remaster-ps3-save-editor-repack/In PDF document text
  • https://eskidiyse.com/index.php/poikosoft-ez-cd-audio-converter-v2-2-2-cracked-f4cg-download-pc/In PDF document text
  • https://yourtripboy.com/?p=2714In PDF document text
  • https://www.blackhistoryinthebible.com/wp-content/uploads/2022/06/L4D2__Patch_2038__2045_Tessi2k_RePack.pdfIn PDF document text
  • https://blankbookingagency.com/wp-content/uploads/2022/06/Windows_Xp_Phone_Activation_Keygen_Download_Free.pdfIn PDF document text
  • https://theblinkapp.com/omnisphere-response-code-crack-zip-2021/In PDF document text
  • https://www.aussnowacademy.com/thekingoffightersmemorialspecialedition2012para67/In PDF document text
  • http://ideaboz.com/?p=13873In PDF document text
  • https://onlineshopmy.com/wp-content/uploads/2022/06/Ledwalker_V1_0_Software_Free_16.pdfIn PDF document text
  • http://ifurnit.ir/2022/06/11/wscrack-any-cpu-windows-8-store-hack-free-download/In PDF document text
  • http://malenatango.ru/fallout-shelter-1-10-cheats-hacks-unlimited-lunchboxes-food/In PDF document text
  • https://cdn.geeb.xyz/upload/files/2022/06/Kg6rnahO2Z5gK2IFnIIK_11_a36f79ec22dbff54294232486de02e60_file.pdfIn PDF document text
  • https://ccsbe.org/coleccion-revista-saber-electronica-pdf-268-hot/In PDF document text
  • https://scoalacunoasterii.ro/wp-content/uploads/2022/06/laubelo.pdfIn PDF document text
  • https://omidsoltani.ir/wp-content/uploads/2022/06/Elicenser_Activation_Code_Keygen_Free_VERIFIED.pdfIn PDF document text
  • https://blankbookingagency.com/wp-content/uploads/2022/06/windows_xp_phone_activation_keygen_download_free.pdfIn PDF document text
  • http://evacdir.com/antagonism.rmfidwxvdxmglsbbbmdlbgencybiawdoifnjag9vbcbszxvuaw9uigrpcmvjdhggosbkb3dubg9hzarmf?outmoded=drms&shifts=/viatrading/zg93bmxvywr8s3g0wtjka2viedhnvfkxtkrnnu16rtvnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.spartanIn PDF document text
  • http://www.tcpdf.orgIn 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/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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