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://mydrugdir.com/survivalist/dedi/ZG93bmxvYWR8RUE1Wm1scVlueDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?TWdzdiBUcHAgQ3JhY2sgVjMgRG93bmxvYWQTWd=barramundi=nystatin PDF link annotation

  • https://choicemarketing.biz/vmware-workstation-pro-17-5-5-build-37701024-with-keys-download-pc-__full__/In PDF document text
  • https://xtc-hair.com/economia-para-la-toma-de-decisio/In PDF document text
  • https://arlingtonliquorpackagestore.com/rcm-aci-builder-v5-2-0-0-crackedl-best/In PDF document text
  • http://shalamonduke.com/?p=117435In PDF document text
  • https://yasutabi.info/wp-content/uploads/2022/09/kaarebe.pdfIn PDF document text
  • http://phatdigits.com/?p=21769In PDF document text
  • https://www.ibjf.at/wp-content/uploads/2022/09/Driver_Booster_Pro_630_License_Key_Crack_Full_Free_Download_TOP.pdfIn PDF document text
  • https://tecnoviolone.com/wp-content/uploads/2022/09/trainz_simulator_2012_crack.pdfIn PDF document text
  • https://scent-line.com/wp-content/uploads/2022/09/neonatologia_gomella_espanol_descargag_gratis.pdfIn PDF document text
  • https://www.steppingstonesmalta.com/far-cry-3-reloaded-codex-top/In PDF document text
  • http://indiebonusstage.com/itoo-forest-pack-pro-v4-4-for-3ds-max-30/In PDF document text
  • https://farmaciacortesi.it/ta-ra-rum-pum-2-full-2021-movie-hd-1080p-download/In PDF document text
  • http://pepsistars.com/cofaso-full-crack-updated/In PDF document text
  • https://www.incubafric.com/wp-content/uploads/2022/09/Ciberboss49crack_VERIFIEDgratis.pdfIn PDF document text
  • https://earthoceanandairtravel.com/2022/09/09/mister-retro-machine-wash-deluxe-keygen-__full__-crack/In PDF document text
  • https://dwfind.org/red-eyex32-mw3-mpdata-editor-better/In PDF document text
  • https://melhoreslivros.online/firmware-dane-elec-so-easy/In PDF document text
  • http://dealskingdom.com/ativador-windows-7-uloader-6-0-0-3-download-link-12/In PDF document text
  • https://choicemarketing.biz/vmware-workstation-pro-17-5-5-build-37701024-with-keys-download-In PDF document text
  • https://www.ibjf.at/wp-In PDF document text
  • https://scent-line.com/wp-In PDF document text
  • https://earthoceanandairtravel.com/2022/09/09/mister-retro-machine-wash-deluxe-In PDF document text
  • http://mydrugdir.com/survivalist/dedi/zg93bmxvywr8rue1wm1scvluedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?twdzdibuchagq3jhy2sgvjmgrg93bmxvywqtwd=barramundi=nystatinIn PDF document text
  • https://secureservercdn.net/198.71.233.46/479.459.myftpupload.com/wp-content/uploads/2022/09/linspire_60_iso_download.pdf?time=1662774422In PDF document text
  • https://secureservercdn.net/198.71.233.46/479.459.myftpupload.com/wp-content/uploads/2022/09/trumeig.pdf?time=1662772865In PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • https://secureservercdn.net/198.71.233.46/479.459.myftpupload.com/wp-In 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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