Malicious PDF — malware analysis report

Heuristics 7

• 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://lehmanbrotherbankruptcy.com/escapism/Y29sYXNvZnQgY2Fwc2EgZW50ZXJwcmlzZSBrZXlnZW4gZG93bmxvYWQY29.finalized.infinum.lubes.ZG93bmxvYWR8UU44TVhKNmVueDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/orfeo/peruse.woudn PDF link annotation

  • http://applebe.ru/2022/09/09/iso-iec-17020-free-download-pdf-portable/In PDF document text
  • https://fotofables.com/how-to-unlock-fast-sex-in-xstoryplayer-without-completing-game/In PDF document text
  • http://nii-migs.ru/?p=20495In PDF document text
  • http://www.rathisteelindustries.com/archmodels-vol-123-__full__/In PDF document text
  • http://jasminwinter.com/precalculo-8va-edicion-ron-larson-pdf-_hot_/In PDF document text
  • https://cbdresourceguide.com/wp-content/uploads/2022/09/Empire_Earth_2003466_LINK_Crack_No_Cdrar.pdfIn PDF document text
  • https://guarded-plains-57254.herokuapp.com/download_Kamaal_Dhamaal_Malamaal_man_movie_in_hindi_720p.pdfIn PDF document text
  • https://inmobiliaria-soluciones-juridicas.com/wp-content/uploads/2022/09/FULL_BrainworxBXDigitalv109VST_HOT.pdfIn PDF document text
  • https://remcdbcrb.org/wp-content/uploads/2022/09/Akuntansi_Pajak_Gunadi_Pdf_16_BETTER.pdfIn PDF document text
  • http://www.chandabags.com/wp-content/uploads/2022/09/eegmar.pdfIn PDF document text
  • https://oceanofcourses.com/kawasaki-bk-117-for-x-plane-torrent-hit-2021/In PDF document text
  • http://youngindialeadership.com/?p=20054In PDF document text
  • https://www.encremadas.com/wp-content/uploads/2022/09/janmil.pdfIn PDF document text
  • http://ice-aec.com/index.php/2022/09/09/navigon-canada-310-igo8-hack-free/In PDF document text
  • https://instantitschool.com/autocad-p-id-2011-32-bit-full-indir-tek-link-better/In PDF document text
  • https://sarahebott.org/wp-content/uploads/2022/09/Pro_600_For_Microstation_V8i_Crackk_LINK.pdfIn PDF document text
  • https://www.scoutgambia.org/talk-english-offline-version-full-download-crackedtrmdsfl-_best_/In PDF document text
  • http://www.healistico.com/crack-of-my-broken-heart-instrumental-music-download-exclusive/In PDF document text
  • https://sttropezrestaurant.com/hdloader-installer-exe/In PDF document text
  • https://superstitionsar.org/paper-dolls-original-update-v20190625-plaza/In PDF document text
  • http://lehmanbrotherbankruptcy.com/escapism/y29syxnvznqgy2fwc2egzw50zxjwcmlzzsbrzxlnzw4gzg93bmxvywqy29.finalized.infinum.lubes.zg93bmxvywr8uu44tvhknmvuedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/orfeo/peruse.woudnIn 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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