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://findinform.com/flints/overwrites/satchel/TG9zIFRlbWVyYXJpb3MgTGEgTXVqZXIgRGUgTG9zIERvcyBQZWxpY3VsYSBDb21wbGV0YSBIZATG9/ZG93bmxvYWR8Q3g1TVRVNFlXTjhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk.wahm?shopped=banda/wathen PDF link annotation

  • https://lacomfortair.com/taxbase-software-free-download-crack-verified/In PDF document text
  • https://outlethotsale.com/wp-content/uploads/2022/09/Marshal_Torrent_Download_EXCLUSIVE.pdfIn PDF document text
  • https://adhicitysentulbogor.com/unreal-gold-directx-11-highres-textures-with-lucky-patcher-updated/In PDF document text
  • http://webkhoacua.com/wp-content/uploads/2022/09/codemasters_International_Cricket_2010_pc_game_free_download.pdfIn PDF document text
  • https://greenearthcannaceuticals.com/office-2010-toolkit-and-ez-activator-v-2-1-6-final-rar-portable/In PDF document text
  • http://ticketguatemala.com/vmware-vsphere-6-keygen-torrent-top/In PDF document text
  • https://shalamonduke.com/wp-content/uploads/2022/09/itavan.pdfIn PDF document text
  • http://www.over-scene.com/wp-content/uploads/2022/09/biagfra.pdfIn PDF document text
  • https://www.pamelafiorini.it/wp-content/uploads/2022/09/volyfin.pdfIn PDF document text
  • https://pnda-rdc.com/wp-content/uploads/2022/09/Amcc_Pci_Matchmaker_S5935qf_Driverl_FREE.pdfIn PDF document text
  • http://www.hakcanotel.com/?p=22099In PDF document text
  • https://www.digitalpub.ma/advert/uyirvani-forums-forum-download-tamil-movies-_verified_/In PDF document text
  • https://cityguide.ba/wp-content/uploads/2022/09/Xforce_LINK_Keygen_64bit_Product_Design_Suite_2019_Keygen.pdfIn PDF document text
  • https://boardingmed.com/2022/09/12/driver-mouse-benq-m800-p2m-repack/In PDF document text
  • http://lifemyway.online/wp-content/uploads/2022/09/Lage_Raho_Gujjubhai_720p_Hd_5.pdfIn PDF document text
  • https://l1.intimlobnja.ru/wp-content/uploads/2022/09/download_exclusive_securitykiss_tunnel_full_crack.pdfIn PDF document text
  • http://rbics.net/?p=15271In PDF document text
  • http://slovenija-lepa.si/wp-content/uploads/2022/09/thineil.pdfIn PDF document text
  • https://restor8tivehr.com/wp-content/uploads/2022/09/Virtual_Dj_41r2_Free_Download_FREE.pdfIn PDF document text
  • https://biomolecular-lab.it/xpadder-profile-for-call-of-duty-modern-warfare-3-11-install/In PDF document text
  • http://webkhoacua.com/wp-In PDF document text
  • https://cityguide.ba/wp-In PDF document text
  • https://l1.intimlobnja.ru/wp-In PDF document text
  • http://findinform.com/flints/overwrites/satchel/tg9zifrlbwvyyxjpb3mgtgegtxvqzxigrgugtg9ziervcybqzwxpy3vsysbdb21wbgv0ysbizatg9/zg93bmxvywr8q3g1tvrvnflxtjhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk.wahm?shopped=banda/wathenIn 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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