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 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.
• 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/handyman/multifold/ZG93bmxvYWR8UXM3TjJjNGZId3hOalUwTnpnd056ZzNmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ.caulk.fenway.varieties/b2ZmaWNlIDIwMTkgZXRraW5sZXN0aXJtZSBrb2R1IDIwMTkb2Z PDF link annotation

  • http://eventaka.com/?p=5103In PDF document text
  • https://www.gossipposts.com/wp-content/uploads/2022/06/Cambiar_Idioma_Nitro_Pdf_Download_TOP.pdfIn PDF document text
  • https://www.mangasman.com/fluent-6-2-16-software-free-verified-23.htmlIn PDF document text
  • https://desifaceup.in/upload/files/2022/06/n4DW1su8x4qM1pIZUJFr_09_f1ebe4c49ae3cbf1cb0e2eda345814d2_file.pdfIn PDF document text
  • https://sfinancialsolutions.com/matematicasparaadministracionyeconomiasootangtanpdf/In PDF document text
  • https://in-loving-memory.online/wp-content/uploads/2022/06/rauzac.pdfIn PDF document text
  • https://www.swbiodiversity.org/seinet/checklists/checklist.php?clid=80859In PDF document text
  • https://studiolegalefiorucci.it/2022/06/09/airbox-playout-software-crack-21/In PDF document text
  • https://taxi2b.social/upload/files/2022/06/LeA6cS2KHX8EuiUzyy8N_09_8691c81d90120152d9e2bb701afc63f1_file.pdfIn PDF document text
  • https://tuscomprascondescuento.com/?p=22413In PDF document text
  • https://nwithrives.com/wp-content/uploads/2022/06/CounterStrike_16_Low_and_higher_resolution_models_CounterStrike_16_Mods.pdfIn PDF document text
  • https://xenoviabot.com/soft-denchi-runtime-program-download/In PDF document text
  • https://tagnigeria.com/wp-content/uploads/2022/06/GrowFX_186torrent17.pdfIn PDF document text
  • https://oregonflora.org/checklists/checklist.php?clid=20663In PDF document text
  • http://www.superlisten.dk/wp-content/uploads/2022/06/freeregistrationcodeandlicensedemailforwondersharedrfone.pdfIn PDF document text
  • https://csermoocf6ext.blog/2022/06/09/instashare-for-windows-crack-key/In PDF document text
  • https://evol.ai/dgex/index.php/advert/download-x-force-keygen-autocad-2013-64-bit-__hot__/In PDF document text
  • http://fengshuiforlife.eu/wp-content/uploads/2022/06/quaatte.pdfIn PDF document text
  • https://techstoserve.com/wp-content/uploads/2022/06/codex_wave_table_synth_cracked.pdfIn PDF document text
  • https://www.goldenglowyoga.ie/wp-content/uploads/2022/06/VAG_ETKA_74_International_2013_Keygen_VERIFIED.pdfIn PDF document text
  • http://evacdir.com/handyman/multifold/zg93bmxvywr8uxm3tjjjngzid3hoaluwtnpnd056zznmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq.caulk.fenway.varieties/b2zmawnlidiwmtkgzxrraw5szxn0axjtzsbrb2r1idiwmtkb2zIn 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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