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://emailgoal.com/anders/gansa.bute.UHJvQVRDIFhyYXIUHJ.dollies.kirby?dull=ZG93bmxvYWR8S2o5ZW5BME5IeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://www.lavozmagazine.com/advert/basic4android-7-01-with-library-2017/In PDF document text
  • http://titfortech.com/?p=39483In PDF document text
  • https://teenmemorywall.com/heroes-5-tribes-of-the-east-crack-free-download-work/In PDF document text
  • https://pricehai.com/wp-content/uploads/2022/07/English_Vinglish_Movie_Download_FULL_720p.pdfIn PDF document text
  • https://otsapro.com/wp-content/uploads/2022/07/naruto_shippuden_ultimate_ninja_storm_3_psp_torrent_download.pdfIn PDF document text
  • http://www.giffa.ru/who/how-to-fix-activation-dll-load-failed-in-crysis-3/In PDF document text
  • https://www.anamplace.com/wp-content/uploads/2022/07/Resolume_Arena_72_NEW_Crack_Key_Win_MAC__2020.pdfIn PDF document text
  • https://hadacreative.com/download-verified-loader-by-paky89-2-1-0-final/In PDF document text
  • https://chichiama.net/microsoft-office-2010-arabic-free-download-top/In PDF document text
  • https://dev.izyflex.com/advert/hd-online-player-the-return-of-rebel-hindi-dubbed-mov/In PDF document text
  • https://www.opticnervenetwork.com/wp-content/uploads/2022/07/Wajiz_Fi_Ushul_Fiqhpdf_HOT.pdfIn PDF document text
  • https://www.zper.it/wp-content/uploads/2022/07/Installshield_V12_Cab_File_Viewer_And_Extractor_Download_FULL.pdfIn PDF document text
  • https://superstitionsar.org/a-lenda-dos-mortos-top-download-litegolkes/In PDF document text
  • https://cgservicesrl.it/wp-content/uploads/2022/07/Generation_War_2013_720p_BluRay_X265_HEVC_12.pdfIn PDF document text
  • https://manupehq.com/wp-content/uploads/2022/07/pierkai.pdfIn PDF document text
  • https://fystop.fi/chatur-singh-two-star-hd-movie-download-1080p-exclusive/In PDF document text
  • https://www.vakantiehuiswinkel.nl/abb-drive-window-software-download-high-quality/In PDF document text
  • https://my-study.cz/wp-content/uploads/2022/07/Sherry_Birkin_Nude_Mod__Resident_Evil_6golkesgolkes.pdfIn PDF document text
  • https://advantageequestrian.com/2022/07/karnan-malayalam-novel-pdf-111-hot/In PDF document text
  • http://emailgoal.com/anders/gansa.bute.uhjvqvrdifhyyxiuhj.dollies.kirby?dull=zg93bmxvywr8s2o5zw5bme5iedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • https://warriorplus.com/o2/a/vqvqcq/0?p=33140In 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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