Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• 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://starsearchtool.com/?heartworms=chronicling/Y2xvbmUgaGVybyB0aHJvdWdoIHRoZSBmaXJlIGFuZCBmbGFtZXMgZG93bmxvYWQY2x/feasted/properdin.ZG93bmxvYWR8dlo1WjI4ME5YeDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://copasulassessoria.com.br/advert/xforce-keygen-shotgun-2013-32-bit-zip-exclusive/In PDF document text
  • http://epochbazar.com/wp-content/uploads/2022/09/jannkal.pdfIn PDF document text
  • https://efekt-metal.pl/witaj-swiecie/In PDF document text
  • http://adomemorial.com/2022/09/10/primeloopsarabicvibezappleloopsloops/In PDF document text
  • https://bullygirlmagazine.com/advert/hd-online-player-fool-n-final-full-work-movie-1080p-downlo/In PDF document text
  • https://firmy.radom.pl/advert/v-rally-3-exclusive-full-game-free-pc-download-play-v-rally-3-download-torrent/In PDF document text
  • http://it-labx.ru/?p=142575In PDF document text
  • https://l1.intimlobnja.ru/wp-content/uploads/2022/09/panasoinc_toughbook_cf30_model_c_d_win_xp_sp2_clean_install_dri_crack_top.pdfIn PDF document text
  • https://www.cad2parts.com/wp-content/uploads/2022/09/Waves_C6_Vst_Download_Torrent_Extra_Quality.pdfIn PDF document text
  • http://madshadowses.com/skytest-preparation-software-for-atco-screenings-2-1/In PDF document text
  • http://tuinfonavit.xyz/?p=41209In PDF document text
  • https://realtowers.com/wp-content/uploads/2022/09/yaryali.pdfIn PDF document text
  • http://www.ressn.com/farz-sunny-deol-full-movie-download-free/In PDF document text
  • http://www.chelancove.com/misterix-mod-exe-gta-sa/In PDF document text
  • https://drinkspress.com/wp-content/uploads/2022/09/felitemp.pdfIn PDF document text
  • https://aceitunasalvarez.com/wp-content/uploads/2022/09/Toontrack_EZDrummer_218.pdfIn PDF document text
  • https://ourlittlelab.com/w300v1-0-0a-zrd-eg-firmware-hot/In PDF document text
  • https://brinke-eq.com/advert/pixinsight-17/In PDF document text
  • https://volektravel.com/1080p-remo-tamil-patched/In PDF document text
  • https://firmy.radom.pl/advert/v-rally-3-exclusive-full-game-free-pc-download-play-v-rally-3-download-In PDF document text
  • https://l1.intimlobnja.ru/wp-content/uploads/2022/09/panasoinc_toughbook_cf30_model_c_d_win_xp_In PDF document text
  • https://www.cad2parts.com/wp-In PDF document text
  • http://starsearchtool.com/?heartworms=chronicling/y2xvbmugagvybyb0ahjvdwdoihrozsbmaxjligfuzcbmbgftzxmgzg93bmxvywqy2x/feasted/properdin.zg93bmxvywr8dlo1wji4me5yedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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