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://hardlyfind.com/UGlrdSBNb3ZpZXMgVG9ycmVudAUGl/treos.zalaznick/face.karim.ZG93bmxvYWR8VUIxZEdwNGJYeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?mcse=smiths PDF link annotation

  • https://netafits.com/wp-content/uploads/2022/07/giovtaka.pdfIn PDF document text
  • https://reset-therapy.com/wp-content/uploads/2022/07/They_Breathe_Torrent_Fix_Download_License.pdfIn PDF document text
  • https://stonebridgehealthstaffing.com/wp-content/uploads/jazrayg-1.pdfIn PDF document text
  • https://www.iraya.ir/wp-content/uploads/2022/07/gramsevak_question_paper_maharashtra_pdf_free.pdfIn PDF document text
  • https://meinemarkemeingesicht.de/wp-content/uploads/2022/07/nintendo_3ds_soundfont.pdfIn PDF document text
  • http://www.7daystobalance.com/advert/turbulence-fd-v0-4-plugin-for-cinema-4d-x86-x64/In PDF document text
  • https://ibipti.com/coreldraw-graphics-suite-x7-v17-1-0-572-x86-x64-keygen-x-force-download-pc-work/In PDF document text
  • https://educationkey.com/wp-content/uploads/2022/07/HD_Online_Player_Dekada_70_Full_Movie_765_EXCLUSIVE.pdfIn PDF document text
  • https://bbv-web1.de/wirfuerboh_brett/advert/vsdc-video-editor-pro-5-7-8-724-crack-hot/In PDF document text
  • https://eqsport.biz/serial-do-folder-colorizer-top/In PDF document text
  • https://streamers.worldmoneybusiness.com/advert/vengeance-producer-suite-metrum-crack-extra-quality/In PDF document text
  • http://rbics.net/?p=8805In PDF document text
  • https://instafede.com/real-cut-1d-crack-epub-hot/In PDF document text
  • https://availobal.com/kresz-teszt-2012-torrent-letoltes-high-quality/In PDF document text
  • https://www.la-pam.nl/abrar-ul-haq-song-islamabad-mp3-link-download/In PDF document text
  • https://northshorerealtysanpancho.com/advert/download-idm-full-crack-link-kuyhaa/In PDF document text
  • http://www.gambians.fi/interchange-1-third-edition-workbook-resuelto-pdf-71-best/training/In PDF document text
  • https://culvita.com/tone2-gladiator-crack-fixed-keygen-pes/In PDF document text
  • https://mohamedshamoon.com/wp-content/uploads/2022/07/Windows_7_Home_Premium_Oa_Download_EXCLUSIVE_Compaq_3l.pdfIn PDF document text
  • https://www.pivatoporte.com/wp-content/uploads/2022/07/AttackonTitan2v20180426REPACKKaOs_Torrent-1.pdfIn PDF document text
  • https://reset-therapy.com/wp-In PDF document text
  • https://www.iraya.ir/wp-In PDF document text
  • https://ibipti.com/coreldraw-graphics-suite-x7-v17-1-0-572-x86-x64-keygen-x-force-download-pc-In PDF document text
  • https://educationkey.com/wp-In PDF document text
  • https://streamers.worldmoneybusiness.com/advert/vengeance-producer-suite-metrum-crack-extra-In PDF document text
  • https://mohamedshamoon.com/wp-In PDF document text
  • https://www.pivatoporte.com/wp-In PDF document text
  • http://hardlyfind.com/uglrdsbnb3zpzxmgvg9ycmvudaugl/treos.zalaznick/face.karim.zg93bmxvywr8vuixzedwngjyedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?mcse=smithsIn 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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