Malicious PDF — malware analysis report

Heuristics 9

• 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 links to document on public blob storage high PDF_PUBLIC_BLOB_DOCUMENT_LINK
  PDF contains a clickable action to a document payload hosted on public blob/object storage. Shared object storage can be used legitimately, so this rule is suspicious rather than conclusive unless paired with lure text or other phishing indicators.
• 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://raisengine.com/pooled/RGVsaWNpb3VzIFJldG91Y2ggMy4wIDMxRGV?apoccrine=ZG93bmxvYWR8R2s4TVRCclpXWjhmREUyTlRneU1UazBOek44ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=solzen.fendor PDF link annotation

  • https://eskidiyse.com/index.php/arcsoft-print-creations-crack-new-serial/In PDF document text
  • https://ak-asyl-mgh.de/advert/rld-dll-nba-2k14-download-__hot__-pc/In PDF document text
  • https://www.voyavel.it/dc-unlocker-client-v1-00-0975-crack-linked/In PDF document text
  • https://magiclifequicksell.com/wp-content/uploads/2022/07/bambmar.pdfIn PDF document text
  • https://amlakarike.com/wp-content/uploads/2022/07/Dangerous_Ishhq_Movie_Download_In_Kickass_Torrent.pdfIn PDF document text
  • https://www.sanjamar.com/wp-content/uploads/2022/07/trevgiov-2.pdfIn PDF document text
  • https://silkfromvietnam.com/motorola-radio-gm360-download-new-software-zip/In PDF document text
  • https://www.luthierdirectory.co.uk/windows-vista-pre-activated-iso-49-best/In PDF document text
  • https://damariuslovezanime.com/lisrel91softwarefree-betterdownload/In PDF document text
  • https://babussalam.id/holosync-awakening-prologue-all-6-files-and-instructions-cracked/In PDF document text
  • https://glemor.com/wp-content/uploads/2022/07/Airlift_TOP_Full_Movie_Free_Download_Hd_720p_Torrent.pdfIn PDF document text
  • https://battlersauctions.com/wp-content/uploads/2022/07/Cdkey_Gamehouse_Games_Collection_EXCLUSIVE_Crack.pdfIn PDF document text
  • https://check-list-demenagement.fr/wp-content/uploads/2022/07/daembey.pdfIn PDF document text
  • https://beckleyservices.com/wp-content/uploads/2022/07/Xforce_Keygen_InfraWorks_2019_Activation_VERIFIED.pdfIn PDF document text
  • https://dronezone-nrw.2ix.de/advert/syntheyes-2011-cracked-full-version-torrent-fix/In PDF document text
  • https://storage.googleapis.com/shamanic-bucket/f72f3437-hedfabi.pdfIn PDF document text
  • https://www.alnut.com/autodesk-autocad-civil-3d-2013-iso-x32-torrent/In PDF document text
  • http://rwpj.jp/wp-content/uploads/2022/07/jahvchri.pdfIn PDF document text
  • http://www.ressn.com/como-configurar-el-joystick-para-gta-vice-city-pc/In PDF document text
  • https://www.shift.is/wp-content/uploads/2022/07/Marghanita_Laski_The_Tower_Pdf_Free_FULL.pdfIn PDF document text
  • https://amlakarike.com/wp-In PDF document text
  • https://glemor.com/wp-In PDF document text
  • https://battlersauctions.com/wp-In PDF document text
  • https://beckleyservices.com/wp-In PDF document text
  • http://raisengine.com/pooled/rgvsawnpb3vzifjldg91y2ggmy4widmxrgv?apoccrine=zg93bmxvywr8r2s4tvrcclpxwjhmreuytlrneu1uazboek44zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=solzen.fendorIn PDF document text
  • https://amlakarike.com/wp-content/uploads/2022/07/dangerous_ishhq_movie_download_in_kickass_torrent.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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