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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://findinform.com/casinos/benevolently/dovolani/gayle/ZG93bmxvYWR8elMwZW1WcVlYeDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?nightshade=forwardness&openwear=TmV3ISBGSU5BTCBDUkFDSyBGSUFUIEVDVVNjYW4gVjMuNi4yLnJhcgTmV PDF link annotation

  • https://rednails.store/gx-developer-8103h-exe-2021/In PDF document text
  • http://mycontractors.net/wp-content/uploads/2022/07/elbrunn.pdfIn PDF document text
  • https://careersguruji.com/solterm-5-1-rar-1-29-better/In PDF document text
  • https://www.linkmystores.com/wp-content/uploads/2022/07/fouika-2.pdfIn PDF document text
  • https://www.indianhomecook.com/wp-content/uploads/2022/07/caelmah.pdfIn PDF document text
  • https://smartictbd.com/2022/07/26/corel-videostudio-ultimate-x-2020-23-0-1-404-crack-link/In PDF document text
  • https://alafdaljo.com/wp-content/uploads/2022/07/burjam.pdfIn PDF document text
  • https://seniorhelpandyou.com/wp-content/uploads/2022/07/funshaid.pdfIn PDF document text
  • https://eaglehoisting.net/wp-content/uploads/2022/07/Free_EXCLUSIVE_Download_Video_3gp_Bokep_Nikita_Willy.pdfIn PDF document text
  • https://resistanceschool.info/oracle-crystal-ball-crack-free-exclusive-download/In PDF document text
  • https://greenteam-rds.com/av-music-morpher-gold-5-0-crack-verified/In PDF document text
  • https://studiolegalefiorucci.it/2022/07/26/dragon-ball-zenkai-battle-royale-pc-download-full-emulator-134/In PDF document text
  • https://www.nooganightlife.com/wp-content/uploads/2022/07/otteaddi.pdfIn PDF document text
  • https://entrelink.hk/interview/hd-online-player-mcr-200-chip-software-56-high-quality/In PDF document text
  • https://dwfind.org/hotwav-cosmos-v20-flash-file-sp7731-6-0-firmware-1000-tested-__hot__/In PDF document text
  • https://72bid.com?password-protected=loginIn PDF document text
  • https://sanantoniowritersguild.org/kim-ki-duk-3-iron-torrent/In PDF document text
  • https://remcdbcrb.org/wp-content/uploads/2022/07/Engineering_Geology_By_Parbin_Singh_Pdf.pdfIn PDF document text
  • http://fixforpc.ru/olav-aaen-clutch-tuning-handbook-full-version-top-download/In PDF document text
  • https://edupedo.com/wp-content/uploads/2022/07/laqxar.pdfIn PDF document text
  • https://eaglehoisting.net/wp-In PDF document text
  • https://studiolegalefiorucci.it/2022/07/26/dragon-ball-zenkai-battle-royale-pc-download-full-In PDF document text
  • http://findinform.com/casinos/benevolently/dovolani/gayle/zg93bmxvywr8elmwzw1wcvlyedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?nightshade=forwardness&openwear=tmv3isbgsu5btcbdukfdsybgsufuievdvvnjyw4gvjmuni4ylnjhcgtmvIn 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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