Malicious PDF — malware analysis report

Heuristics 7

• 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://blogbasters.com/bXMgb2ZmaWNlIDIwMTMgdG9vbGtpdCBhbmQgZXogYWN0aXZhdG9yIHYyLjUuNiB0b3JyZW50bXM/circle?erupting=tinkling=conclusive=remotely.ZG93bmxvYWR8MjF5TVRCa2JtZDhmREUyTlRZM056RTRNVGg4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk PDF link annotation

  • https://yourtaxcredits.com/system/files/webform/survey/bersim530.pdfIn PDF document text
  • https://babussalam.id/windows-9-extreme-edition-iso-torrent/In PDF document text
  • https://nameme.ie/microsoft-photodraw-2000-v2-serial-key/In PDF document text
  • http://chatroom.thabigscreen.com:82/upload/files/2022/07/j2Fl82UszwMPZjq2BGLW_03_ccf2d151836d8e4ae649f166443308db_file.pdfIn PDF document text
  • https://tueventoenvivo.com/far-cry-4-valley-of-the-yeti-addon-reloaded-download-for-computer-link/In PDF document text
  • https://tranquil-garden-19451.herokuapp.com/xforce_keygen_64bit_AutoCAD_Mobile_2017_portable.pdfIn PDF document text
  • https://someuae.com/wp-content/uploads/2022/07/ardevyni.pdfIn PDF document text
  • https://walter-c-uhler.com/candy-ctg-1325-bedienungsanleitung-pdf-free-new/In PDF document text
  • https://damp-journey-55923.herokuapp.com/plecs_toolbox_matlab_download_crack.pdfIn PDF document text
  • https://afternoon-falls-22417.herokuapp.com/free_download_bo_derek_tarzan_the_ape_man_full_movie.pdfIn PDF document text
  • http://www.landtitle.info/orcad-pspice-9-2-full-version-free-download-with-crack-patched/In PDF document text
  • http://dpfza.gov.dj/jobs/sites/default/files/webform/cv/lammama692.pdfIn PDF document text
  • http://www.wemoveondemand.com/?p=16992In PDF document text
  • http://emforma.cm-amadora.pt/blog/index.php?entryid=4093In PDF document text
  • https://maltmarketing.com/advert/povestiri-istorice-dumitru-almas-pdf-verified-download-2/In PDF document text
  • https://www.debeiaard-utrecht.nl/advert/intel-visual-fortran-windows-7-64-bit-link-download/In PDF document text
  • https://earthoceanandairtravel.com/2022/07/03/vedhala-ulagam-tamil-movie-download-best/In PDF document text
  • https://www.surfcentertarifa.com/matapo-ya-fasihi-pdf-hot-download/In PDF document text
  • https://alessiomastroianni.com/3d-1080p-full-sbs-torrent-full/In PDF document text
  • http://blogbasters.com/bxmgb2zmawnlidiwmtmgdg9vbgtpdcbhbmqgzxogywn0axzhdg9yihyyljuunib0b3jyzw50bxm/circle?erupting=tinkling=conclusive=remotely.zg93bmxvywr8mjf5tvrca2jtzdhmreuytlrzm056rtrnvgg4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpkIn PDF document text
  • https://collections-anthropology.fieldmuseum.org/system/files/webform/thosadi332.pdfIn 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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