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.
• 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.
• 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://dawnloadonline.com/ZG93bmxvYWQgZ3JhdGlzIGdhbWVzIGthcGFsIHBlcmFuZyBoZWxpa29wdGVyIHVudHVrIHBjIHwgdGVzdGVkZG9?ZG93bmxvYWR8RWgyTVRGek5EQjhmREUyTlRneU1UZzVPRFY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=cashback?approvingly=fondu&catchments PDF link annotation

  • https://cirelliandco.com/autocadlt2011xforce-portable2010x32exeiso.htmlIn PDF document text
  • https://nashvilleopportunity.com/wp-content/uploads/2022/07/stellar_nsf_to_pst_converter_crack_torrent.pdfIn PDF document text
  • https://pzn.by/uncategorized/cyberlink-makeupdirector-deluxe-2-0-2817-pre-crack-fulled-serial-key/In PDF document text
  • http://www.diarioelsoldecusco.com/advert/adobe-after-effects-cc-2014-13-0-1-64-bit-patch-chingliu-best-full-version/In PDF document text
  • http://kitchenwaresreview.com/?p=49405In PDF document text
  • https://manuelantonio.co/wp-content/uploads/2022/07/Wince_Firmware_Download_EXCLUSIVE.pdfIn PDF document text
  • https://coutureforthebride.com/wp-content/uploads/2022/07/Mediamonkey_gold_serial_key-1.pdfIn PDF document text
  • http://www.male-blog.com/wp-content/uploads/2022/07/janaapol.pdfIn PDF document text
  • https://lagaceta.montehermoso.com.ar/advert/acer-inc-ipisb-vr-rev-1-01-manua/In PDF document text
  • https://discoverlosgatos.com/wp-content/uploads/2022/07/Construct_2_License_File_BEST.pdfIn PDF document text
  • https://fabianozan.com/?p=13889In PDF document text
  • https://www.yunusbasar.com/wp-content/uploads/2022/07/download_idm_cc_untuk_firefox_701.pdfIn PDF document text
  • http://www.ecomsrl.it/controlmynikon-pro-5-5-78-90-with-crack-latest-hot/In PDF document text
  • https://www.raven-guard.info/mod2wim-zip-_top_/In PDF document text
  • https://5wowshop.com/wp-content/uploads/2022/07/free_download_ashab_e_kahf_islamic_full_movie_in_urdu.pdfIn PDF document text
  • http://shaeasyaccounting.com/wp-content/uploads/2022/07/adellis.pdfIn PDF document text
  • https://www.citylist.pk/wp-content/uploads/2022/07/Sky_Force_Anniversary__Original_Soundtrack_Crack_Download_For_Windows_10_REPACK.pdfIn PDF document text
  • http://applebe.ru/?p=64623In PDF document text
  • https://www.milieu-mag.com/wp-content/uploads/2022/07/Hoischen_Technisches_Zeichnen_34_Auflage_Pdf_BEST_Download.pdfIn PDF document text
  • https://vipfitnessproducts.com/antamedia-internet-caffe-v7-crack-full-rar-hot/In PDF document text
  • http://www.diarioelsoldecusco.com/advert/adobe-after-effects-cc-2014-13-0-1-64-bit-patch-chingliu-best-full-In PDF document text
  • https://www.citylist.pk/wp-content/uploads/2022/07/Sky_Force_Anniversary__Original_Soundtrack_Crack_DownloIn PDF document text
  • https://www.milieu-mag.com/wp-In PDF document text
  • http://dawnloadonline.com/zg93bmxvywqgz3jhdglzigdhbwvzigthcgfsihblcmfuzybozwxpa29wdgvyihvudhvrihbjihwgdgvzdgvkzg9?zg93bmxvywr8rwgytvrgek5eqjhmreuytlrneu1uzzvprfy4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=cashback?approvingly=fondu&catchmentsIn 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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