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://evacdir.com/misallocate/bhansali/guardsmen.neophytes/humid/litigated.ZG93bmxvYWR8aXM2Y25scmJueDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?bWFzaW5vIGV4dGVuc2lvbnMgZm9yIHBocG1ha2VyIGRvd25sb2FkZGNpbnN0bWF PDF link annotation

  • https://canhotrongmo.com/netop-vision-pro-7-5-mediafire-torrent-install/In PDF document text
  • https://myinfancy.com/upload/files/2022/06/A3IWJOHhnAWISDNN3YV3_12_abb971de49c254eb47f320e6852a5249_file.pdfIn PDF document text
  • https://parleafrique.com/wp-content/uploads/2022/06/PET_Simulator_2_Hack_2020_OP_Working_ROBLOX_MacOSX.pdfIn PDF document text
  • https://vintriplabs.com/jam-origin-midi-guitar-2-crack-install101/In PDF document text
  • http://sturgeonlakedev.ca/2022/06/12/cyberlink-perfectcam-premium-2-1-1507-0-multilingual/In PDF document text
  • http://www.ubom.com/upload/files/2022/06/joEhXpsBj6kiQywllcXB_12_abb971de49c254eb47f320e6852a5249_file.pdfIn PDF document text
  • http://referendum.pl/2022/06/12/autodatamagyarletoltesingyen-top/In PDF document text
  • http://quicktoptens.com/wp-content/uploads/2022/06/jamaenth.pdfIn PDF document text
  • https://colegioalbertsonsslp.com/wp-content/uploads/2022/06/odynval.pdfIn PDF document text
  • https://louispara.com/?p=12636In PDF document text
  • https://havtornensrige.dk/wp-content/uploads/Hard_Disk_Sentinel_Pro_530_Build_9417_Ml_Utorrent.pdfIn PDF document text
  • http://shaeasyaccounting.com/rz-powerpoint-converter-keygen-crack/In PDF document text
  • https://thebrothers.cl/ipvideosystemdesigntoolkeygentorrent-top/In PDF document text
  • https://thoitranghalo.com/wp-content/uploads/2022/06/OpenCloner_Ripper_2019_Crack_v240104.pdfIn PDF document text
  • http://www.hva-concept.com/stronghold-3-cheat-engine-16-top/In PDF document text
  • https://armina.bio/wp-content/uploads/2022/06/targlad.pdfIn PDF document text
  • https://samak1.com/wp-content/uploads/2022/06/Shannon_Elizabeth_Playboy_Pictures.pdfIn PDF document text
  • http://chat.xumk.cn/upload/files/2022/06/ZL8ezG1lxzIhcIABnEcI_12_abb971de49c254eb47f320e6852a5249_file.pdfIn PDF document text
  • https://bodhirajabs.com/hd-online-player-every-child-is-special-movie-free-do/In PDF document text
  • https://rackingpro.com/equitment/13604/In PDF document text
  • http://evacdir.com/misallocate/bhansali/guardsmen.neophytes/humid/litigated.zg93bmxvywr8axm2y25scmjuedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?bwfzaw5vigv4dgvuc2lvbnmgzm9yihbocg1ha2vyigrvd25sb2fkzgnpbnn0bwfIn 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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