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.
• 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.
• 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://godsearchs.com/charset/immunity/lock.sugary/V2luZG93cyBYUCBFbWJlZGRlZCBTZXJ2aWNlIFBhY2sgMiBGZWF0dXJlIFBhY2sgMjAwNwV2l/suitors.wield.ZG93bmxvYWR8TkM3TXpCMU4zeDhNVFkxTmpnNU1qTTFNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://ictlife.vn/upload/files/2022/07/7jokqWQAnShFhoOUUnxA_04_a7caf8557256ea924c2fe93330b02ef0_file.pdfIn PDF document text
  • http://www.kitesurfingkites.com/advanced-key-and-mouse-recorder-crack-with-keygen-download-win-mac-2022/In PDF document text
  • https://lobenicare.com/linksys-smart-wi-fi-for-ea4500-12100-0-download-latest/In PDF document text
  • https://www.sunsquare.com/system/files/webform/useruploads/nelalbe348.pdfIn PDF document text
  • https://loquatics.com/wp-content/uploads/2022/07/4K_YouTube_to_MP3.pdfIn PDF document text
  • https://grandioso.immo/zenok-free-antivirus-crack/In PDF document text
  • https://waappitalk.com/upload/files/2022/07/RK5DFamfQFNDMYEZ5PsU_04_0f7dd4c960214819d27a74859e2e36a5_file.pdfIn PDF document text
  • https://www.mil-spec-industries.com/system/files/webform/vasgoli548.pdfIn PDF document text
  • https://maisonchaudiere.com/advert/winlog-for-windows-latest/In PDF document text
  • http://patsprose.com/PatriciaBenagesBooks/ArtlclesIn PDF document text
  • https://www.rosatugores.com/wp-content/uploads/hugudebe.pdfIn PDF document text
  • https://khadijahshowroom.com/2022/07/04/tgraphdisplay3d-keygen-mac-win/In PDF document text
  • https://jariosos.com/upload/files/2022/07/nAxbuAA4HpMeCL9mz8ZZ_04_0f7dd4c960214819d27a74859e2e36a5_file.pdfIn PDF document text
  • http://diamondtoolusa.com/?p=9959In PDF document text
  • https://www.theautolocators.com/wp-content/uploads/2022/07/gleneld.pdfIn PDF document text
  • https://sciencetrail.com/wp-content/uploads/2022/07/Free_Email_Collection__Product_Key_Full_Download_For_Windows_Final_2022.pdfIn PDF document text
  • https://mandarinrecruitment.com/system/files/webform/radio-reddit.pdfIn PDF document text
  • https://rocketchanson.com/advert/atomic-time-crack-license-key-full-download-latest/In PDF document text
  • https://9escorts.com/advert/purge-crack-latest-2022/In PDF document text
  • https://ictlife.vn/upload/files/2022/07/7jokqWQAnShFhoOUUnxA_04_a7caf8557256ea924c2fe93330bIn PDF document text
  • http://www.kitesurfingkites.com/advanced-key-and-mouse-recorder-crack-with-keygen-download-win-In PDF document text
  • https://waappitalk.com/upload/files/2022/07/RK5DFamfQFNDMYEZ5PsU_04_0f7dd4c960214819d27aIn PDF document text
  • https://jariosos.com/upload/files/2022/07/nAxbuAA4HpMeCL9mz8ZZ_04_0f7dd4c960214819d27a748In PDF document text
  • https://sciencetrail.com/wp-content/uploads/2022/07/Free_Email_Collection__Product_Key_Full_DownlIn PDF document text
  • http://godsearchs.com/charset/immunity/lock.sugary/v2luzg93cybyucbfbwjlzgrlzcbtzxj2awnlifbhy2sgmibgzwf0dxjlifbhy2sgmjawnwv2l/suitors.wield.zg93bmxvywr8tkm3txpcmu4zedhnvfkxtmpnnu1qttfnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • https://wakelet.com/wake/-2SVoKmeo90Woy-gWQRKKIn 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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