Malicious PDF — malware analysis report

Heuristics 10

• 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.
• 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.
• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://raisengine.com/antispyware/carpal/francs/QXV0b0NBRAQXV/glorified...ZG93bmxvYWR8ZTNKT0hVNGZId3hOalU0TWpFNE16UTBmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ...lucinda...maraby PDF link annotation

  • http://www.hva-concept.com/autocad-2020-23-1-crack-with-key-download-for-pc-2022/In PDF document text
  • https://k22.be/wp-content/uploads/2022/07/AutoCAD.pdfIn PDF document text
  • http://modiransanjesh.ir/autocad-2023-24-2-crack-download-mac-win/In PDF document text
  • https://gwbc.org/wp-content/uploads/2022/07/AutoCAD_Crack__Full_Product_Key_Download.pdfIn PDF document text
  • http://www.flyerbee.com/?p=192288In PDF document text
  • https://greybirdtakeswing.com/autocad-2020-23-1-crack-free/In PDF document text
  • https://bodhirajabs.com/wp-content/uploads/2022/07/AutoCAD-2.pdfIn PDF document text
  • https://xplico.no/wp-content/uploads/2022/07/berttale.pdfIn PDF document text
  • http://findmallorca.com/autocad-24-2-torrent-activation-code-download-updated-2022/In PDF document text
  • http://3.16.76.74/advert/autocad-download-x64/PDF link annotation
  • https://earthoceanandairtravel.com/wp-content/uploads/2022/07/AutoCAD-2.pdfIn PDF document text
  • https://supermoto.online/wp-content/uploads/2022/07/AutoCAD.pdfIn PDF document text
  • http://balancin.click/?p=13235In PDF document text
  • http://persemediagroup.com/autocad-2018-22-0-crack-mac-win-2022/In PDF document text
  • https://simplygroup.it/2022/07/23/autocad-2023-24-2-crack-free-download-win-mac-updated-2022/In PDF document text
  • https://kmtu82.org/autocad-crack-with-registration-code-free/In PDF document text
  • https://aaddisondrivingschool.com/autocad-crack-free-license-key-march-2022In PDF document text
  • https://lormedia.ir/wp-content/uploads/2022/07/lylenit.pdfIn PDF document text
  • https://ninja-hub.com/autocad-crack-download-for-windows-final-2022/In PDF document text
  • https://tbone.fi/wp-content/uploads/2022/07/AutoCAD_Crack___2022Latest.pdfIn PDF document text
  • http://raisengine.com/antispyware/carpal/francs/qxv0b0nbraqxv/glorified...zg93bmxvywr8ztnkt0hvngzid3hoalu0twpfne16utbmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq...lucinda...marabyIn 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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