Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• 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://evacdir.com/TW9hbmEgKEVuZ2xpc2gpIFRoZSBNb3ZpZSA3MjBwIERvd25sb2FkbATW9/barbarum/commissionings/heartbreakingly/gazelle/ZG93bmxvYWR8ZGcxZUd4cWZId3hOalUwTnpnd09EYzVmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ?seems=claremont&sonystyle= PDF link annotation

  • https://marketmyride.com/download-top-atris-stahlgruber-technik-01-2015-multilanguage/In PDF document text
  • http://www.brumasrl.com/en/baixar-pacote-50-videos-3gp-porn-free/In PDF document text
  • https://www.spinergo.com/wp-content/uploads/2022/06/yeatru.pdfIn PDF document text
  • http://balloonfellows.com/wp-content/uploads/2022/06/Ravenfield_Beta_5_Modsl.pdfIn PDF document text
  • https://thaiherbbank.com/social/upload/files/2022/06/AMdIC9z8Th44EAs7UXFW_10_1b757ee370c357db1c1edf4ee1c01198_file.pdfIn PDF document text
  • https://kasujjaelizabeth.com/xforce-keygen-inventor-2018-keygen/In PDF document text
  • https://telebook.app/upload/files/2022/06/16F7OJNL7D6h46QLX5ES_10_1b757ee370c357db1c1edf4ee1c01198_file.pdfIn PDF document text
  • http://shop.chatredanesh.ir/?p=23743In PDF document text
  • https://rerootyourlife.com/2022/06/10/goodsync-10-9-29-crack-new/In PDF document text
  • https://www.pivatoporte.com/wp-content/uploads/2022/06/gergas.pdfIn PDF document text
  • https://vendredeslivres.com/wp-content/uploads/2022/06/xforce_keygen_Advance_Steel_2019.pdfIn PDF document text
  • https://blogup.in/upload/files/2022/06/QmhdMZgAxMIbMYenFawt_10_1b757ee370c357db1c1edf4ee1c01198_file.pdfIn PDF document text
  • https://recreovirales.com/wp-content/uploads/2022/06/delysle.pdfIn PDF document text
  • https://wormenhotel.nl/wp-content/uploads/2022/06/Hard_Disk_Sentinel_Pro_5401_Crack_Key.pdfIn PDF document text
  • https://irabotee.com/wp-content/uploads/2022/06/natcin.pdfIn PDF document text
  • https://wmondemand.com/?p=6453In PDF document text
  • https://lexcliq.com/?p=474179In PDF document text
  • https://insightkorea.or.kr/blog/index.php?entryid=3566In PDF document text
  • https://sahabhaav.com/wp-content/uploads/2022/06/8Dio_Libraries_Collection_KONTAKTtorrent.pdfIn PDF document text
  • https://thaiherbbank.com/social/upload/files/2022/06/AMdIC9z8Th44EAs7UXFW_10_1b757ee370c357db1c1edf4ee1c01198In PDF document text
  • http://evacdir.com/tw9hbmegkevuz2xpc2gpifrozsbnb3zpzsa3mjbwiervd25sb2fkbatw9/barbarum/commissionings/heartbreakingly/gazelle/zg93bmxvywr8zgcxzud4cwzid3hoaluwtnpnd09eyzvmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq?seems=claremont&sonystyle=In PDF document text
  • https://wakelet.com/wake/2xb5sjASHna1-YEmRh1c3In 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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