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.
• 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://find24hs.com/VHJhaW4gU2ltdWxhdG9yOiBEQiBCUiA0MTEgJ0lDRS1UJyBFTVUgQWRkLU9uIGRvd25sb2FkIGZvciBQUzQVHJ/?difficulties=ZG93bmxvYWR8VHEyWjJac1lYeDhNVFkxTnpBMk56RTFOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.wqyne=idtabije=interrogations PDF link annotation

  • https://tribetotable.com/wp-content/uploads/2022/07/yarmar.pdfIn PDF document text
  • https://darblo.com/gfi-endpoint-security-2013-2021-keygen/In PDF document text
  • http://proabled.com/system/files/webform/cv/chakatr634.pdfIn PDF document text
  • https://attitude.ferttil.com/upload/files/2022/07/Wsp7yjS5pMcTk9XBcLwZ_06_41148c8645c797b37eabb852f22f72bb_file.pdfIn PDF document text
  • https://evolvagenow.com/upload/files/2022/07/iN87YU349PhwkfoRGU8b_06_e62d03ab656ddcc97a8cfbb07d3f53d1_file.pdfIn PDF document text
  • https://cecj.be/wp-content/uploads/2022/07/cherkel.pdfIn PDF document text
  • http://barrillos.org/2022/07/06/ez-vghd-with-218-different-virtuagirl-models-plus-21-duos-hot-download-pc/In PDF document text
  • http://communitytea.org/wp-content/uploads/2022/07/Prodad_Mercalli_V20_PRO_precrackedrar_content_analysen_str.pdfIn PDF document text
  • https://www.nusoundradio.com/wp-content/uploads/2022/07/time_saver_standards_for_hotels_pdf.pdfIn PDF document text
  • https://www.penningtonboro.org/sites/g/files/vyhlif5426/f/uploads/parks-rec-events-calendar.pdfIn PDF document text
  • https://accwgroup.com/copytrans-v4842-_best_-crack/In PDF document text
  • https://affiliatemarketingquestions.com/akordi-i-hvatovi-na-gitari-pdf-download-exclusive/In PDF document text
  • https://fermencol.ru/wp-content/uploads/2022/07/horoscope_explorer_pro_381_rh_download_pc.pdfIn PDF document text
  • http://mirrordancehair.com/?p=2634In PDF document text
  • https://www.onlineusaclassified.com/advert/bkav-edict-pro-better-full-crack/In PDF document text
  • http://xn----btbbblceagw8cecbb8bl.xn--p1ai/hd-online-player-de-dana-dan-movie-download-worldfree-better/In PDF document text
  • http://ooouptp.ru/ennu-ninte-moideen-movie-download-in-tamilrockers-tamils-fix-127879/In PDF document text
  • https://www.atlasfiltritalia.it/sites/default/files/webform/cvs/Command-And-Conquer-Generals-Zero-Hour-Reborn-V7-29.pdfIn PDF document text
  • http://find24hs.com/vhjhaw4gu2ltdwxhdg9yoibeqibcuia0mtegj0ldrs1ujybftvugqwrklu9uigrvd25sb2fkigzvcibquzqvhj/?difficulties=zg93bmxvywr8vheywjjac1lyedhnvfkxtnpbmk56rtfoshg4twpvm05iedhlrtbwsuhkbflxuxrzbxh2wnlcyljtrnpkq0jiulu1za.wqyne=idtabije=interrogationsIn PDF document text
  • https://tribetotable.com/wp-content/uploads/2022/In PDF document text
  • https://www.edi.nih.gov/system/files/webform/lap-survey-docs/001/walruto772.pdfIn PDF document text
  • https://www.neste.com/system/files/webform/the-final-chapter-the-death-of-xander-cage-720p-torrent.pdfIn 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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