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://raisengine.com/comedically.UGhpciBCZXdhZmFhaSBGdWxsIE1vdmllIDEwODBwIEhkUGh?disreputable=halted&improves=caracas&tata=ZG93bmxvYWR8NDJ2TVRab2JEUjhmREUyTlRneU1UazBOek44ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk& PDF link annotation

  • https://captainseduction.fr/trend-micro-ransomware-file-decryptor-v1-0-1668-exclusive/In PDF document text
  • https://fystop.fi/media-player-for_suicide-squad/In PDF document text
  • https://eskidiyse.com/index.php/antares-autotune-vst-crack-full/In PDF document text
  • https://marketstory360.com/news/84962/boson-netsim-network-simulator-10-13-rar/In PDF document text
  • https://thecryptobee.com/delete-orphaned-sids-in-acls/In PDF document text
  • http://kolatia.com/?p=23309In PDF document text
  • http://hudginsenterprises.com/compendio-de-teologia-pastoral-pdf-18/In PDF document text
  • https://turn-key.consulting/2022/07/29/__link__-download-mysql-5-6-command-line-client/In PDF document text
  • https://pollynationapothecary.com/wp-content/uploads/2022/07/mayavi_tamil_comics_pdf_free_download.pdfIn PDF document text
  • https://www.easyblogging.in/wp-content/uploads/2022/07/haymarr.pdfIn PDF document text
  • http://vipfitnessproducts.com/?p=23715In PDF document text
  • https://buycoffeemugs.com/descargar-metin2-urano-gratis/In PDF document text
  • http://www.chandabags.com/jv16-powertools-2018-v8-1-0-2242-key-serial-key-keygen-bestl/In PDF document text
  • https://parsiangroup.ca/2022/07/youwave-234-activation-key-__hot__/In PDF document text
  • https://www.handmademarket.de/wp-content/uploads/2022/07/yaleale.pdfIn PDF document text
  • https://www.locatii.md/wp-content/uploads/2022/07/DbVisualizer_Pro_10025.pdfIn PDF document text
  • https://www.nooganightlife.com/wp-content/uploads/2022/07/The_Iron_Giant_MnF_BCT_Crackswf.pdfIn PDF document text
  • https://greenearthcannaceuticals.com/xforce-keygen-eagle-2012-32bit-free-download-exclusive/In PDF document text
  • https://startpointsudan.com/wp-content/uploads/2022/07/12_Rounds_3_Lockdown_Download_720p_HOT-1.pdfIn PDF document text
  • https://comunicate-pr.ro/wp-content/uploads/2022/07/Wondershare_AllMyTube_4805_Key_4realtorrentz_rar.pdfIn PDF document text
  • https://pollynationapothecary.com/wp-In PDF document text
  • https://startpointsudan.com/wp-In PDF document text
  • https://comunicate-pr.ro/wp-In PDF document text
  • http://raisengine.com/comedically.ughpcibczxdhzmfhasbgdwxsie1vdmllidewodbwiehkugh?disreputable=halted&improves=caracas&tata=zg93bmxvywr8ndj2tvrab2jeujhmreuytlrneu1uazboek44zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk&In 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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