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://sitesworlds.com/antispyware/frayed/cornie/ZG93bmxvYWR8aXowYzJkbWIzeDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/inexperienced/ZGVsY2FtIGFydGNhbSAxMiB0b3JyZW50ZGV...dpms PDF link annotation

  • https://www.t-find.com/wp-content/uploads/2022/07/jamedam.pdfIn PDF document text
  • https://treatmentmentor.com/wp-content/uploads/2022/07/Archisuite_17_Cracked.pdfIn PDF document text
  • https://www.carmarthendragons.co.uk/wp/advert/lal-kitab-in-bengali-pdf-free-14-link/In PDF document text
  • http://adomemorial.com/2022/07/25/introductory-economics-stanlake-pdf-free-hot-download-zip/In PDF document text
  • https://anipal.es/wp-content/uploads/2022/07/Dog_Training_Books_In_Malayalam_LINK.pdfIn PDF document text
  • https://simpeltv.dk/the-great-escape-movie-hindi-dubbed-free-patched-mp4-download/In PDF document text
  • http://www.techclipse.com/?p=50254In PDF document text
  • https://testthiswebsite123.com/2022/07/26/saboteur-crack-for-reloaded-keygen-full/In PDF document text
  • http://www.thevendorguide.com/wp-content/uploads/2022/07/Brauniger_IQBASICGPS_Operation_Manual_Download_FREE.pdfIn PDF document text
  • https://vintriplabs.com/hd-online-player-rab-ne-bana-di-jodi-mp4-mobile-movie-2/In PDF document text
  • https://lynonline.com/2022/07/25/articulate-storyline-free-download-top-crack/In PDF document text
  • https://protelepilotes.com/wp-content/uploads/2022/07/kafrhe.pdfIn PDF document text
  • http://dummydoodoo.com/2022/07/25/novomatic-gamblehacker-1-1-0-14c-rar-hit-install/In PDF document text
  • http://newsafrica.world/?p=48168In PDF document text
  • http://automationexim.com/hard-disk-sentinel-pro-5-50-11-crack-full-torrent-2020-best/In PDF document text
  • https://p2p-tv.com/novel-karya-enny-arrow-to-jpg-pdf-2/In PDF document text
  • https://irabotee.com/wp-content/uploads/2022/07/Crack_Fifa_07_Bun_Download_Torent_HOT.pdfIn PDF document text
  • https://www.lavozmagazine.com/advert/slavomir-nastasijevic-knjige-download-hot-17-cours-corse-message/In PDF document text
  • https://www.hajjproperties.com/advert/prokon-calcpad-v2-1-09-incl-keygen-orion-download-pc-free/In PDF document text
  • http://sitesworlds.com/antispyware/frayed/cornie/zg93bmxvywr8axowyzjkbwizedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/inexperienced/zgvsy2ftigfydgnhbsaxmib0b3jyzw50zgv...dpmsIn PDF document text
  • http://goodidea.altervista.org/advert/firmware-updates-kingston-8gb-usb-drive-datatraveler-se9-champagne-dtse9h-hot/In 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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