Malicious PDF — malware analysis report

Heuristics 12

• 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 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.
• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://emailgoal.com/eggs/cyclical.haanel?iwach=ZG93bmxvYWR8TE44TVRKM1pUQjhmREUyTlRZM056RTRNVGg4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk.cHJib2EgcnVsZSA3IGFuZCA4IHBkZiBkb3dubG9hZAcHJ PDF link annotation

  • https://www.shankari.net/wp-content/uploads/2022/07/olleval.pdfIn PDF document text
  • https://goto.business/free-classified-ads/advert/freelance-job/In PDF document text
  • https://4c70.com/wintrack-10-crackhttps-scoutmails-com-index301-php-k-wintrack-10-crack-work/In PDF document text
  • https://www.artec3d.com/ja/system/files/webform/business_development/download-photoshop-cs6-torrent.pdfIn PDF document text
  • https://storage.googleapis.com/faceorkut.com/upload/files/2022/07/LB6hpveiEGN4gaxaTpEJ_03_d5935a3d95177b89b7b93fd870f3c2e9_file.pdfIn PDF document text
  • https://bebetter-official.com/wp-content/uploads/2022/07/elogeni.pdfIn PDF document text
  • http://www.cpakamal.com/state-of-decay-update-2-3-4-5-6-crack-better/In PDF document text
  • https://zum-token.com/windows-loader-2013-v-3-8-activation-for-all-windows-_hot_/In PDF document text
  • https://www.amphenolalden.com/system/files/webform/quiitia674.pdfIn PDF document text
  • https://lll.dlxyjf.com/upload/files/2022/07/A9hQnHoVZBHElW8V9Sd3_03_d5935a3d95177b89b7b93fd870f3c2e9_file.pdfIn PDF document text
  • https://gametimereviews.com/ibwave-design-software-free-verified-download-with-crack-and-213/In PDF document text
  • https://www.residenzagrimani.it/2022/07/03/files59com-darkorbit/In PDF document text
  • https://www.eecoeats.com/wp-content/uploads/2022/07/Clave_De_Registro_Easy_Office_Recovery_Taringa.pdfIn PDF document text
  • https://xchangemkt.com/yoshinobu-ashihara-exterior-design-architecture-pdf-12-new/In PDF document text
  • https://www.golfmotion.com.au/sites/default/files/webform/janimae274.pdfIn PDF document text
  • https://frostinealps.com/wp-content/uploads/2022/07/Blu_Dangal_Hd_Movie_1080p_Hindi_Movies.pdfIn PDF document text
  • https://www.beaches-lakesides.com/realestate/vmware-workstation-v11-0-0-incl-keymaker-embrace-crack-upd/In PDF document text
  • https://www.willingtonct.gov/sites/g/files/vyhlif1456/f/uploads/dog-license-form.pdfIn PDF document text
  • http://ikodeautomation.com/wp-content/uploads/2022/07/AppliedAcousticsLoungeLizardEP_3VSTiDXiRTASv313InclLINK_Keygen_AiR.pdfIn PDF document text
  • https://thebakersavenue.com/hd-online-player-chak-de-india-full-movie-hd-1080p-do-hot/In PDF document text
  • http://emailgoal.com/eggs/cyclical.haanel?iwach=zg93bmxvywr8te44tvrkm1puqjhmreuytlrzm056rtrnvgg4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk.chjib2egcnvszsa3igfuzca4ihbkzibkb3dubg9hzachjIn PDF document text
  • http://ikodeautomation.com/wp-content/uploads/2022/07/appliedacousticsloungelizardep_3vstidxirtasv313incllink_keygen_air.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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