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://seachtop.com/iwantmegatraffic/abcess/ZG93bmxvYWR8WjlLTVRaaU0yTjhmREUyTlRnd01EWTJPVGw4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk?U1dPUkQgQVJUIE9OTElORSBGQVRBTCBCVUxMRVQgVFJBSU5FUgU1d=adhesiveness&bengals=descarte.heracles PDF link annotation

  • https://kjvreadersbible.com/civil-3d-2015-keygen-xforce-hot-rar-free-download/In PDF document text
  • https://orangestreetcats.org/a-text-book-of-thermal-engineering-by-r-s-khurmi-and-j-k-gupta/In PDF document text
  • https://www.raven-guard.info/hd-online-player-tagore-telugu-movie-updated-download-dvdrip/In PDF document text
  • http://yogaapaia.it/archives/57596In PDF document text
  • https://travelfamilynetwork.com/wp-content/uploads/2022/07/HD_Online_Player_Adobe_Premiere_Elements_Mpeg2_Unlock.pdfIn PDF document text
  • https://webtium.com/wp-content/uploads/2022/07/patrindy.pdfIn PDF document text
  • https://thehomeofheroes.org/full-adobe-dreamweaver-cs6-12-0-1-build-5842-ls6-multilanguage-chi-best/In PDF document text
  • https://vietnammototours.com/wp-content/uploads/2022/07/Call_Of_Duty_2_Supercomprimido_1_Link.pdfIn PDF document text
  • https://luxepropertiesnw.com/wp-content/uploads/2022/07/findila.pdfIn PDF document text
  • http://dummydoodoo.com/2022/07/19/stellar-phoenix-jpeg-repair-5-0-0-0-crack-full-top-version/In PDF document text
  • http://bootycallswag.com/?p=15408In PDF document text
  • http://imeanclub.com/?p=87374In PDF document text
  • https://lucaslaruffa.com/hd-online-player-intervideo-windvr-3-crack-cracked-rar-file/In PDF document text
  • https://gobigup.com/wp-content/uploads/2022/07/Bonetown_111_Update_And_Nocd_Crack_HOT.pdfIn PDF document text
  • http://tangopiter.ru/wp-content/uploads/2022/07/barwall.pdfIn PDF document text
  • http://www.chemfreecarpetcleaning.com/?p=25486In PDF document text
  • http://weedcottage.online/?p=105727In PDF document text
  • http://sturgeonlakedev.ca/2022/07/19/nokia-belle-turkce-dil-paketi-yukle/In PDF document text
  • https://rehabcart.com/wp-content/uploads/2022/07/vdmax_30_marceneiro.pdfIn PDF document text
  • http://fixforpc.ru/ultimate-zip-crack-hot-er-8-0-2-17-keygen-free-10133/In PDF document text
  • https://kjvreadersbible.com/civil-3d-2015-keygen-xforce-hot-rar-free-In PDF document text
  • https://orangestreetcats.org/a-text-book-of-thermal-engineering-by-r-s-In PDF document text
  • https://www.raven-guard.info/hd-online-player-tagore-telugu-movie-In PDF document text
  • https://travelfamilynetwork.com/wp-content/uploads/2022/07/HD_OnliIn PDF document text
  • https://thehomeofheroes.org/full-adobe-dreamweaver-In PDF document text
  • https://vietnammototours.com/wp-content/uploads/2022/07/Call_Of_DIn PDF document text
  • http://dummydoodoo.com/2022/07/19/stellar-phoenix-jpeg-In PDF document text
  • https://lucaslaruffa.com/hd-online-player-intervideo-windvr-3-crack-In PDF document text
  • https://gobigup.com/wp-content/uploads/2022/07/Bonetown_111_UpdaIn PDF document text
  • http://sturgeonlakedev.ca/2022/07/19/nokia-belle-turkce-dil-paketi-In PDF document text
  • https://rehabcart.com/wp-In PDF document text
  • http://fixforpc.ru/ultimate-zip-crack-hot-er-8-0-2-17-keygen-In PDF document text
  • http://seachtop.com/iwantmegatraffic/abcess/zg93bmxvywr8wjlltvraau0ytjhmreuytlrnd01ewtjpvgw4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk?u1dpukqgqvjuie9otelorsbgqvrbtcbcvuxmrvqgvfjbsu5fugu1d=adhesiveness&bengals=descarte.heraclesIn 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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