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/albie/R29vZ2xlIE1hcHMgV2l0aCBHUFMgVHJhY2tlcgR29/pasteurize=tippy.playmates.ZG93bmxvYWR8dEM3T0hCbU1IeDhNVFkxTkRVMU9UY3dNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.sweep PDF link annotation

  • https://tuscomprascondescuento.com/2022/06/07/uorganized-crack-3264bit/In PDF document text
  • https://logocraticacademy.org/tm-pop3-server-crack-download/In PDF document text
  • https://20yearshortbreak.com/2022/06/07/accord-cd-ripper-professional-6-1-6-crack-free-download-win-mac-2022/In PDF document text
  • https://www.bintoday.org/upload/files/2022/06/CQ89kGVslb6TckSrrMnY_07_7b9ca1dfd0c5e1895769a70faccc7a38_file.pdfIn PDF document text
  • http://aassaa.ir/mediapurge-crack-for-windows/In PDF document text
  • https://battlefinity.com/upload/files/2022/06/MwkmbIpPQ6dLW6ewq3sY_07_7b9ca1dfd0c5e1895769a70faccc7a38_file.pdfIn PDF document text
  • https://www.aussnowacademy.com/wp-content/uploads/2022/06/MessagePal.pdfIn PDF document text
  • http://pensjonatewa.pl/wp-content/uploads/2022/06/Bulk_Rename_Utility.pdfIn PDF document text
  • https://manevychi.com/wp-content/uploads/2022/06/dhgranulator.pdfIn PDF document text
  • https://vedakavi.com/tesseract-ocr-keygen-full-version-download/In PDF document text
  • https://nuvocasa.com/ip-range-scanner-crack-activation-key-download-latest/In PDF document text
  • https://fryter.com/upload/files/2022/06/KOaoqiLbL6IgGZUKQZRN_07_95bfbbc86b4c282e7a054d3d9f73f57e_file.pdfIn PDF document text
  • https://eqcompu.com/2022/06/07/xp-syspad-nlite-addon-crack-activation-code-with-keygen-free-for-pc-latest-2022/In PDF document text
  • https://whatchats.com/upload/files/2022/06/OGvEZYdpaZknFAI69qNs_07_7b9ca1dfd0c5e1895769a70faccc7a38_file.pdfIn PDF document text
  • https://myrealex.com/upload/files/2022/06/rCQigcux3r6IiiAyicx5_07_95bfbbc86b4c282e7a054d3d9f73f57e_file.pdfIn PDF document text
  • https://www.giftsworldexpo.com/wp-content/uploads/2022/06/SimpleSurf.pdfIn PDF document text
  • https://djolof-assurance.com/wp-content/uploads/2022/06/Anonymous.pdfIn PDF document text
  • https://dsdp.site/it/?p=1921In PDF document text
  • https://wishfruits.com/cablemon-free-license-key-free-mac-win-2022/In PDF document text
  • http://evacdir.com/albie/r29vz2xlie1hchmgv2l0acbhufmgvhjhy2tlcgr29/pasteurize=tippy.playmates.zg93bmxvywr8dem3t0hcbu1iedhnvfkxtkrvmu9uy3dnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.sweepIn PDF document text
  • https://degetwolfnamnabed.wixsite.com/arlarestio/post/dvdforger-free-license-key-freeIn 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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