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://lehmanbrotherbankruptcy.com/ZG93bmxvYWR8blY3TVRNNGJHeDhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/alpha.dismantle?aquariums=Q3JhY2sgQ2xhc2ggT2YgQ2xhbnMgQmx1ZXN0YWNrcyBHZW1zbAQ3J&hypnotically=&hkcc=lipizzaner PDF link annotation

  • https://jwmarine.org/discografia-javier-calamaro-torrent/In PDF document text
  • https://therootbrands.com/wp-content/uploads/2022/09/keeger.pdfIn PDF document text
  • https://talentoazul.cl/wp-content/uploads/2022/09/Lula_3d_Pc_LINK_Crack_Games.pdfIn PDF document text
  • https://thekeymama.foundation/wp-content/uploads/2022/09/edvadar.pdfIn PDF document text
  • https://belz-elektromagie.de/2022/09/12/o-ciclo-da-auto-sabotagem-pdf-download-full/In PDF document text
  • http://conversietopper.nl/?p=11139In PDF document text
  • https://www.rueami.com/2022/09/11/3d-sexvilla-2-everlust-full-indir-work-crack-istemez/In PDF document text
  • https://pepsistars.com/wp-content/uploads/2022/09/Neighbours_Movie_Download_In_Bluray_Torrent.pdfIn PDF document text
  • https://toserba-muslim.com/wp-content/uploads/2022/09/paigthor.pdfIn PDF document text
  • https://visitkeila.com/wp-content/uploads/2022/09/HD_Online_Player_The_Amazing_Spider__Man_2_in_hindi_.pdfIn PDF document text
  • http://lifes1.com/index.php/2022/09/12/baasha-tamil-movie-portable-download-blu-ray/In PDF document text
  • https://greenboxoffice.ro/call-of-duty-4-multiplayer-only-1-7-by-34/In PDF document text
  • https://www.vclouds.com.au/wp-content/uploads/2022/09/nokia_113_unlocker_v10.pdfIn PDF document text
  • http://fajas.club/?p=61574In PDF document text
  • https://buyliveme.com/wp-content/uploads/2022/09/ABCD__Any_Body_Can_Dance_1080p_Bluray_Movie_Downloadl.pdfIn PDF document text
  • https://check-list-demenagement.fr/wp-content/uploads/2022/09/Waves_All_Plugins_Bundle_10_r16_Windows_Fixed_crack_R2R_down.pdfIn PDF document text
  • https://dig-tal.com/3dmgame-dll-metal-gear-solid-v-the-phantom-pain-download-game-repack/In PDF document text
  • https://lear.orangeslash.com/advert/neffos-tp704a-flash-file-frp-hang-on-logo-fix-firmware/In PDF document text
  • https://agedandchildren.org/auto-combo-para-bkl-high-quality/In PDF document text
  • https://fitenvitaalfriesland.nl/boxee-1-5-0-23596-2bcda77-exe-64-bit/In PDF document text
  • http://lehmanbrotherbankruptcy.com/zg93bmxvywr8bly3tvrnngjhedhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/alpha.dismantle?aquariums=q3jhy2sgq2xhc2ggt2ygq2xhbnmgqmx1zxn0ywnrcybhzw1zbaq3j&hypnotically=&hkcc=lipizzanerIn PDF document text
  • https://check-list-demenagement.fr/wp-content/uploads/2022/09/waves_all_plugins_bundle_10_r16_windows_fixed_crack_r2r_down.pdfIn 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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