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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://raisengine.com/d293NjQgZW11bGF0b3IgMzItYml0IHdpbmRvd3MgZnJlZSBkb3dubG9hZAd29/manfredini=sunprecautions.ZG93bmxvYWR8eHM5YjIxa05YeDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.netflix.hills PDF link annotation

  • https://www.lacalleloiza.com/wp-content/uploads/2022/09/antbald.pdfIn PDF document text
  • https://imarsorgula.com/wp-content/uploads/2022/09/HD_Online_Player_Timepass_2_Movie_Download_Kickass_72_WORK.pdfIn PDF document text
  • https://s3-us-west-2.amazonaws.com/mmoldata/wp-content/uploads/2022/09/10191518/kargill.pdfIn PDF document text
  • https://www.yolo.at/wp-content/uploads/2022/09/niojay/keiljan.pdfIn PDF document text
  • https://houstonhousepc.com/sk-aggarwal-economics-class-12-pdf-23-new/In PDF document text
  • http://lovelyonadime.com/?p=9503In PDF document text
  • https://www.dpfremovalnottingham.com/2022/09/10/registrationkeyforreginoutsystemutilities30/In PDF document text
  • https://ferramentariasc.com/2022/09/10/xforce-keygen-collaboration-for-revit-2010-mem-patch-repack/In PDF document text
  • http://www.midax.it/registrazione-utenti/In PDF document text
  • http://www.astralbodytravel.com/?p=16107In PDF document text
  • https://www.bayer-moebel.de/index.php/2022/09/camp-buddy-mac-and-torrent-hot/In PDF document text
  • https://question2answers.com/wp-content/uploads/2022/09/optitex11licensekeyfreedownload.pdfIn PDF document text
  • https://paintsghana.com/advert/nokia-5800-xpressmusic-software-update-60-0-003-free-download-hot/In PDF document text
  • http://www.vndaily1.com/wp-content/uploads/2022/09/gianvirg.pdfIn PDF document text
  • https://www.alnut.com/eseuledituraartpdfdownload-exclusive/In PDF document text
  • https://swisshtechnologies.com/blaupunkt-travelpilot-ex-cd-download-best/In PDF document text
  • https://golden-hands.co/vocal-remover-software-with-crack-better-free-download/In PDF document text
  • http://travelfamilynetwork.com/?p=63606In PDF document text
  • http://fokusparlemen.id/?p=56482In PDF document text
  • http://raisengine.com/d293njqgzw11bgf0b3igmzityml0ihdpbmrvd3mgznjlzsbkb3dubg9hzad29/manfredini=sunprecautions.zg93bmxvywr8ehm5yjixa05yedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.netflix.hillsIn PDF document text
  • https://golden-hands.co/vocal-remover-software-with-crackIn PDF document text
  • https://secureservercdn.net/198.71.233.213/1gg.b15.myftpupload.com/wp-content/uploads/2022/09/naredu.pdf?time=1662834396In 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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