Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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.
• 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/adjustment.marmot/borscht/UGNpIEdlb21hdGljYSAyMDE0IENyYWNrIDMxUGN/childproofing/factual/tainos?ZG93bmxvYWR8TEQ3WWpadmQzeDhNVFkxTkRjNE1EazBNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA= PDF link annotation

  • http://jeunvie.ir/wp-content/uploads/2022/06/bethsadi.pdfIn PDF document text
  • https://5wowshop.com/wp-content/uploads/2022/06/halifra.pdfIn PDF document text
  • https://www.5etwal.com/bollettino-postale-896-22-pdf-better/In PDF document text
  • https://navigayte.com/wp-content/uploads/CorelDraw_X4_PTBR_keygen_Serial_Key.pdfIn PDF document text
  • https://anyedesigns.com/wp-content/uploads/2022/06/Newton_Hd_1080p_Movie_Download.pdfIn PDF document text
  • https://popstay.info/upload/files/2022/06/HePKmkwxod8V3KvF9vWm_10_e8dc9a8e4650459ace78f128fe807ca6_file.pdfIn PDF document text
  • https://kaushalmati.com/jet-audio-7-0-5-3040-plus-vx-fu/In PDF document text
  • https://rit48.ru/wp-content/uploads/2022/06/microsoft_encarta_2013_full_version_free_download_crack.pdfIn PDF document text
  • https://auxclicscitoyens.fr/wp-content/uploads/2022/06/PATCHED_Wondershare_Filmora_8740_Crackrar_2008.pdfIn PDF document text
  • https://www.lichenportal.org/chlal/checklists/checklist.php?clid=23681In PDF document text
  • http://evacdir.com/adjustment.marmot/borscht/ugnpiedlb21hdgljysaymde0ienyywnridmxugn/childproofing/factual/tainos?zg93bmxvywr8teq3wwpadmqzedhnvfkxtkrjne1eazbnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=In 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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