Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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/charset/dammam/diagrams.frontal/RmFsbG91dCBOZXcgVmVnYXMgQmxhY2sgVGV4dHVyZXMgRml4RmF/reappearance.wield.ZG93bmxvYWR8SEoyYVRSalpYeDhNVFkxTlRNek9Ua3dOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://skydiving-ireland.org/advert/navteq-t1000-14069-mazda-sdal-28/In PDF document text
  • https://geto.space/upload/files/2022/06/3Hxa93kefZnFUTVxM3ir_16_83f4d0e6c314ca14ff5d69adb75047a9_file.pdfIn PDF document text
  • https://www.mycatchyphrases.com/wp-content/uploads/2022/06/Mobileex_Professional_Service_Suite_Mxkey_Version_35_Rev_23_Direct_Downloadrar_LINK.pdfIn PDF document text
  • https://midirectorionica.com/theadventureofsharkboyandlavagirlfullmoviedownload/In PDF document text
  • https://pacific-reaches-53715.herokuapp.com/germsant.pdfIn PDF document text
  • https://mysterious-river-84443.herokuapp.com/Family_And_Friends_6_Testing_And_Evaluation_Book_Pdf_Downloa.pdfIn PDF document text
  • https://expressionpersonelle.com/gecko-os-cheat-code-manager-full-download/In PDF document text
  • https://versiis.com/23063/autodata-3-45-keygen-only-exclusive/In PDF document text
  • http://pussyhub.net/winrar-kostenlos-download-repacken-deutsch-64-bitl/In PDF document text
  • https://findsmartoffers.com/2022/06/16/voice-trap-registration-crack-codes/In PDF document text
  • https://www.danke-eltern.de/wp-content/uploads/2022/06/Mobile_Suit_Gundam_Seed_Destiny_Rengou_Vs_Z_A_F_T_Ii_Iso_Ps2_HOT.pdfIn PDF document text
  • https://fescosecurity.com/wp-content/uploads/2022/06/Top_Rated_Trilogy_42_Windows_7_Activator.pdfIn PDF document text
  • https://mrczstore.com/wp-content/uploads/2022/06/Ramananda_Sagar_Shri_Krishna_All_Episode_Free_Download.pdfIn PDF document text
  • http://naasfilms.com/spin-selling-fieldbook-pdf-download/In PDF document text
  • https://ex0-sys.app/upload/files/2022/06/vhfjDj4pLMBudw3N6xuo_16_83f4d0e6c314ca14ff5d69adb75047a9_file.pdfIn PDF document text
  • https://btr-pen.com/wp-content/uploads/2022/06/CoffeeCup_Responsive_Bootstrap_Builder_25_Build_308_Retail.pdfIn PDF document text
  • http://www.desnoesinvestigationsinc.com/control-e-higiene-de-los-alimentos-pdf-download/In PDF document text
  • https://www.surfcentertarifa.com/bdp-hosteleria-descargar-crack-hot-fs/In PDF document text
  • http://thingsforfitness.com/kmspico-15-2-6-final-windows-and-office-activator-rar/In PDF document text
  • https://clothos.org/advert/adobe-premiere-pro-cc-2018-v12-0-1-69-x64-top-crack-serial-key-keygen/In PDF document text
  • https://www.mycatchyphrases.com/wp-In PDF document text
  • https://www.danke-eltern.de/wp-In PDF document text
  • http://evacdir.com/charset/dammam/diagrams.frontal/rmfsbg91dcbozxcgvmvnyxmgqmxhy2sgvgv4dhvyzxmgrml4rmf/reappearance.wield.zg93bmxvywr8seoyyvrsalpyedhnvfkxtlrnek9ua3doshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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