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://godsearchs.com/crackerjack/definintely?furnishings=/precede/S25pZ2h0cyBvZiBIb25vciBJSTogU292ZXJlaWduS25/ZG93bmxvYWR8aVQ5YXpWemZId3hOalU0TWpJd09EWTJmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/lampoon/stepson/stillingia PDF link annotation

  • http://barrillos.org/2022/07/19/nightside-ost-trainer-full-product-key-free/In PDF document text
  • https://jolomobli.com/star-trek-����th-anniversary-hack-mod-torrent-activation-code-for-pc/In PDF document text
  • https://inmobiliaria-soluciones-juridicas.com/2022/07/zero-k-keygen-generator-license-key-final-2022In PDF document text
  • https://www.bergercare.de/uploads/_bergercare/2022/07/Putridness.pdfIn PDF document text
  • https://dubaiandmore.com/wp-content/uploads/2022/07/Train_Simulator_Southern_Pacific_GP20_Loco_AddOn.pdfIn PDF document text
  • http://quitoscana.it/2022/07/19/turtle-vr-cheat-code-keygen-pc-windows/In PDF document text
  • http://mysquare.in/?p=64831In PDF document text
  • https://miraclestripbass.com/wp/advert/kitsune-battlemage-cheat-code/In PDF document text
  • https://www.beaches-lakesides.com/realestate/fantasy-grounds-advanced-adventures-4-prison-of-meneptah-mem-patch-with-key-free-download-for-pc/In PDF document text
  • https://tiftyboard.com/almost-my-floor-prologue-crack-file-only-free-final-2022/In PDF document text
  • https://bintimalu.com/wp-content/uploads/2022/07/Andromeda_One_crack_exe_file__Free_Latest2022-1.pdfIn PDF document text
  • http://thenexteverything.com/wp-content/uploads/2022/07/Friday_the_13th_The_Game__Emote_Party_Pack_1.pdfIn PDF document text
  • https://guatemall.club/wp-content/uploads/2022/07/Train_Simulator_BR_Class_07_Loco_AddOn_Cheat_Code_With_Serial_Key_Download_3264bit.pdfIn PDF document text
  • https://www.juniperhillpta.uk/wp-content/uploads/2022/07/bermae.pdfIn PDF document text
  • https://jobavenue.net/wp-content/uploads/2022/07/1_Screen_Platformer_Hack_MOD_Free_Download.pdfIn PDF document text
  • https://shalamonduke.com/wp-content/uploads/2022/07/Space_Merchant__Carbon_Pack.pdfIn PDF document text
  • http://www.boatsforsaleads.com/wp-content/uploads/2022/07/Shadows_Of_Adam__Guild_Of_The_Artificers_Trainer_WinMac_April2022.pdfIn PDF document text
  • https://vdsproductions.nl/spooky-cats-keygen-generator-torrent-activation-code-free-download-x64-updated-2022/In PDF document text
  • https://www.kingsway.cm/wp-content/uploads/2022/07/catlaty.pdfIn PDF document text
  • https://www.puremeditation.org/2022/07/19/legendary-sword-hack-mod-license-key-full-free-for-windows/In PDF document text
  • http://godsearchs.com/crackerjack/definintely?furnishings=/precede/s25pz2h0cybvzibib25vcibjstogu292zxjlawdus25/zg93bmxvywr8avq5yxpwemzid3hoalu0twpjd09ewtjmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/lampoon/stepson/stillingiaIn 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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