Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://evacdir.com/filefish.xduplicator?disulfiram=c29mdGxvY2sgcHJvdGVjdGlvbiBzdHVkaW8gNTAgY3JhY2tlZAc29&homeopathically=ZG93bmxvYWR8em85TkhsMmZId3hOalUwT0Rrek1Ua3hmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ PDF link annotation

  • https://www.riseupstar.com/upload/files/2022/06/pxUcl7ricX1hH2iC28fw_10_739816617228013dcf1bd4005bf7618f_file.pdfIn PDF document text
  • https://chaletstekoop.nl/wp-content/uploads/2022/06/leaphi.pdfIn PDF document text
  • https://firmateated.com/2022/06/11/wondershare-dr-fone-for-ios-5-3-1-crack-work-and-setup-epub/In PDF document text
  • http://www.divinejoyyoga.com/2022/06/10/visit-nosteam-forum-html/In PDF document text
  • https://dry-reef-61660.herokuapp.com/forivo.pdfIn PDF document text
  • https://fansloyalty.com/wp-content/uploads/2022/06/Adobe_Photoshop_Elements_7_Keygen_TOP_Activation_RAR_Serial_Key.pdfIn PDF document text
  • https://www.greatescapesdirect.com/wp-content/uploads/2022/06/vray_sketchup_2015_mac_crack_keygen_serial_91.pdfIn PDF document text
  • http://mein-portfolio.net/wp-content/uploads/2022/06/Bluestacks_512_Ram.pdfIn PDF document text
  • https://blankbookingagency.com/?p=252246In PDF document text
  • https://esglaiart.es/wp-content/uploads/2022/06/gillea.pdfIn PDF document text
  • https://txuwuca.com/upload/files/2022/06/BnmMXmdANIFJulvBqPZB_10_8c8eb47ea7ee942f76213326e24d36c7_file.pdfIn PDF document text
  • https://community.thecityhubproject.com/upload/files/2022/06/HeM1hTnNuRDYGalVpxPX_10_32ff0795ecedaf63e9543f956a4f9d05_file.pdfIn PDF document text
  • https://peaici.fr/wp-content/uploads/2022/06/Depeche_Mode_Delta_Machine_Download_Torrent.pdfIn PDF document text
  • https://www.mountainjobs.com/wp-content/uploads/2022/06/12_Years_A_Slave_Download_720p_In_Hindi.pdfIn PDF document text
  • https://engagementlandschaft.de/wp-content/uploads/2022/06/Hacker_Redes_Wifi_Infinitum_Wpa2psk_Crack.pdfIn PDF document text
  • http://ballyhouracampervanpark.ie/wp-content/uploads/2022/06/J_Girl_Fight_2_Cheats_FULL.pdfIn PDF document text
  • https://richard-wagner-werkstatt.com/wp-content/uploads/2022/06/Sega_Dreamcast_Movie_Creator_12.pdfIn PDF document text
  • https://limitless-hollows-87322.herokuapp.com/Keyshot_3_Lic_File.pdfIn PDF document text
  • https://community.thecityhubproject.com/upload/files/2022/06/8HJ9Imf1HmhnSfgnE5gJ_10_0039f13867300e8b0747633e52544cda_file.pdfIn PDF document text
  • https://theblinkapp.com/mary-kom-dubbed-movies-in-hindi-720p/In PDF document text
  • https://engagementlandschaft.de/wp-content/uploads/2022/06/hacker_redes_wifi_infinitum_wpa2psk_crack.pdfIn PDF document text
  • http://evacdir.com/filefish.xduplicator?disulfiram=c29mdgxvy2sgchjvdgvjdglvbibzdhvkaw8gntagy3jhy2tlzac29&homeopathically=zg93bmxvywr8em85tkhsmmzid3hoaluwt0rrek1ua3hmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuqIn 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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