Malicious PDF — malware analysis report

Heuristics 7

• 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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://godsearchs.com/covertly.boos/U2NhcmljYXJlIEJpZG9vIEhhY2sgVG9ycmVudCA1NjEU2N.ZG93bmxvYWR8SXc4TVRNelkzUjhmREUyTlRnd01EWTJPVGw4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/encompassing/existent/zags/graciosa/recheck PDF link annotation

  • http://compasscarrier.com/acronis-os-selector-8-0-914-with-serial-sba777-full-2021-version/In PDF document text
  • https://www.fithotech.com/wp-content/uploads/2022/07/Gx_Developer_886_17.pdfIn PDF document text
  • https://sc-designgroup.com/wp-content/uploads/2022/07/Mongol_Empire__Europa_Universalis_IV_Mod_Key_Generator_EXCLUSIVE.pdfIn PDF document text
  • http://dummydoodoo.com/?p=26930In PDF document text
  • https://maisonrangee.com/wp-content/uploads/2022/07/ultimate_ufd2_decrypter_nitro_version_free_460.pdfIn PDF document text
  • http://marketsneakers.com/zan-image-printer-5-0-7-12/In PDF document text
  • http://onemorelure.com/soft-baits/spatialmanagerforautocadbetter-cracktorrent/In PDF document text
  • https://www.carnivaljunction.com/wp-content/uploads/2022/07/freyfil.pdfIn PDF document text
  • https://www.d360.fr/wp-content/uploads/2022/07/hurste.pdfIn PDF document text
  • https://fitenvitaalfriesland.nl/mamata-banerjee-ke-jemon-dekhechi/In PDF document text
  • https://www.iltossicoindipendente.it/2022/07/18/hp-laserjet-p2015n-driver-free-download-free/In PDF document text
  • https://brandyallen.com/2022/07/18/fm-2008-modifier-2-2-turkce-indir-top-2/In PDF document text
  • https://teenmemorywall.com/wp-content/uploads/2022/07/Signlab_V91_Vinyl_Pro_Edition_NEW_Crackedl.pdfIn PDF document text
  • http://barmanbook.ru/wp-content/uploads/2022/07/adekyon.pdfIn PDF document text
  • https://omidsoltani.ir/260377/a-perfect-ending-assistir-online-legendado-patched.htmlIn PDF document text
  • https://rxharun.com/kannada-hd-video-songs-1080p-free-download-better/In PDF document text
  • http://festivaldelamor.org/?p=5062602In PDF document text
  • https://giovanimaestri.com/2022/07/18/myeclipse-2015-stable-1-0-35-upd/In PDF document text
  • https://serippyshop.com/tangocharliefullmoviedownloadinhindi720p-2021/In PDF document text
  • http://glass710.cl/?p=14284In PDF document text
  • https://sc-designgroup.com/wp-content/uploads/2022/07/Mongol_Empire__Europa_Universalis_IV_MoIn PDF document text
  • https://maisonrangee.com/wp-In PDF document text
  • https://teenmemorywall.com/wp-In PDF document text
  • http://godsearchs.com/covertly.boos/u2nhcmljyxjliejpzg9viehhy2sgvg9ycmvudca1njeu2n.zg93bmxvywr8sxc4tvrnelkzujhmreuytlrnd01ewtjpvgw4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/encompassing/existent/zags/graciosa/recheckIn 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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