Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://lehmanbrotherbankruptcy.com/hydrogen.ZG93bmxvYWR8emY2TlhFMlkzSjhmREUyTlRreU1USTJPRFo4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/jardin/orotina.builing?RGFsZG9zRGF PDF link annotation

  • https://newfashionbags.com/gatlin-ost-free-download-updated-2022/In PDF document text
  • https://seo-gurus.net/rpg-maker-mv-shopping-spree-patch-full-version/In PDF document text
  • https://boucanier.ca/wp-content/uploads/2022/07/mermvali.pdfIn PDF document text
  • https://www.riobrasilword.com/2022/07/31/newtaskbar-crack-with-serial-number-free-license-key-download/In PDF document text
  • http://hotelthequeen.it/2022/07/31/rims-racing-career-pro-starter-pack-keygen-exe-serial-key/In PDF document text
  • https://colombiasubsidio.xyz/?p=22053In PDF document text
  • https://johnsonproductionstudios.com/2022/07/31/chuchel-product-key-and-xforce-keygen-free-2022/In PDF document text
  • http://benzswm.com/only-a-keygen-crack-setup-download/In PDF document text
  • http://assetrumah.com/?p=30928In PDF document text
  • https://belz-elektromagie.de/wp-content/uploads/2022/07/Under_The_Island_Keygen_Crack_Setup__Free.pdfIn PDF document text
  • https://ofsnl.nl/wp-content/uploads/2022/07/delsjan.pdfIn PDF document text
  • https://biotechyou.com/legends-of-astravia-install-crack-serial-number-full-torrent-final-2022/In PDF document text
  • http://3.16.76.74/advert/rise-of-stars-crack-patch-with-registration-code-download-latest-2022/PDF link annotation
  • http://lehmanbrotherbankruptcy.com/hydrogen.zg93bmxvywr8emy2tlhfmlkzsjhmreuytlrreu1ustjprfo4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/jardin/orotina.builing?rgfszg9zrgfIn PDF document text
  • https://wakelet.com/wake/U7tjjRolEgbx9x5kChkfsIn PDF document text
  • https://wakelet.com/wake/zw71zXZSi2JhwSmfcCySBIn 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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