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://bestsmartfind.com/ludvig?ZG93bmxvYWR8REgzTkhGeWNueDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=/cohorts/paterns/eletrick.UEFUQ0hFRCBDb3JlbERSQVcgR3JhcGhpY3MgU3VpdGUgMjAxOCB2MjEuMC4wLjYzOCAoeDY0eDg2KQUEF PDF link annotation

  • https://greengrovecbd.com/blog/disk-drill-pro-4-0-499-0-crack-best-with-activation-key-2020/In PDF document text
  • https://www.scoutgambia.org/vengeance-mastering-suite-stereo-bundle-crack-free-download-better/In PDF document text
  • https://drmarcelougarte.com/wp-content/uploads/2022/07/BitTorrent_7122502_ML_Portable.pdfIn PDF document text
  • http://texocommunications.com/masterwriter-20-with-crack-torrent-repack/In PDF document text
  • https://www.rti-evaluation.org/download-betterwindowslastxpv22iso/In PDF document text
  • http://www.studiofratini.com/hotkeycontrol-8-5-ae/In PDF document text
  • https://www.yesinformation.com/cuftulti/2022/07/autodesk_maya_2008_crack_keygen_serial_number_11.pdfIn PDF document text
  • http://turismoaccesiblepr.org/?p=18406In PDF document text
  • https://turkishbazaar.us/wp-content/uploads/2022/07/eminem_encore_album_free_download_zip.pdfIn PDF document text
  • http://www.gurujijunction.com/blog/sofistik-reinforcement-detailing-2015-2021-cracked/In PDF document text
  • https://makeupshopbynaho.com/wp-content/uploads/2022/07/o_homem_mais_rico_da_babilonia_pdf.pdfIn PDF document text
  • https://www.alltagsunterstuetzung.at/advert/new-style-boutique-3ds-rom-descargar-hot-2/In PDF document text
  • https://4v87.com/wishes-level-b2-1-workbook-students-book-answers-zip/In PDF document text
  • https://blogdelamaison.com/wp-content/uploads/2022/07/spss_amos_20_download_64.pdfIn PDF document text
  • https://koeglvertrieb.de/wp-content/uploads/2022/07/hainava.pdfIn PDF document text
  • http://www.hva-concept.com/k-lite-mega-codec-pack-14-9-4/In PDF document text
  • http://texocommunications.com/torrent-download-patched-a360-2016-activation/In PDF document text
  • https://asqstay.com/wp-content/uploads/2022/07/HalfLife_Source_HOT_Download.pdfIn PDF document text
  • https://gamedevnikhil.com/wp-content/uploads/2022/07/Scrapebox_2_0_Crack_FULLed_Pepper.pdfIn PDF document text
  • https://www.zmiksowane.com/wp-content/uploads/2022/07/sakstal.pdfIn PDF document text
  • https://greengrovecbd.com/blog/disk-drill-pro-4-0-499-0-crack-best-with-activation-In PDF document text
  • https://www.scoutgambia.org/vengeance-mastering-suite-stereo-bundle-crack-free-In PDF document text
  • https://drmarcelougarte.com/wp-In PDF document text
  • https://www.yesinformation.com/cuftulti/2022/07/autodesk_maya_2008_crack_keygIn PDF document text
  • https://turkishbazaar.us/wp-In PDF document text
  • http://www.gurujijunction.com/blog/sofistik-reinforcement-In PDF document text
  • https://makeupshopbynaho.com/wp-In PDF document text
  • https://www.alltagsunterstuetzung.at/advert/new-style-boutique-3ds-rom-descargar-In PDF document text
  • https://blogdelamaison.com/wp-In PDF document text
  • https://asqstay.com/wp-In PDF document text
  • https://gamedevnikhil.com/wp-In PDF document text
  • http://bestsmartfind.com/ludvig?zg93bmxvywr8regztkhgewnuedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=/cohorts/paterns/eletrick.uefuq0hfrcbdb3jlbersqvcgr3jhcghpy3mgu3vpdgugmjaxocb2mjeumc4wljyzocaoedy0edg2kquefIn 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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