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://blogbasters.com/ZG93bmxvYWR8RFE1WVRoMWVYeDhNVFkxTmpZd05ESTNOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/benedict?perak.centrifuge=QWRvYmUgUGhvdG9zaG9wIENDQWR&dinic.generically=pest PDF link annotation

  • https://hulpnaongeval.nl/wp-content/uploads/alodque.pdfIn PDF document text
  • https://proffelipebarros.com.br/wp-content/uploads/2022/06/Photoshop_2021_Version_2231_Keygen_Crack_Setup__Free_WinMac.pdfIn PDF document text
  • http://teignvalleypedalbashers.co.uk/advert/adobe-photoshop-cc-2015-product-key-full-free-final-2022In PDF document text
  • https://nyfindnow.com/wp-content/uploads/2022/06/Adobe_Photoshop_2021_Version_2200.pdfIn PDF document text
  • http://climabuild.com/photoshop-2022-version-23-1-1-keygen-crack-setup-keygen-full-version/In PDF document text
  • http://rsglobalconsultant.com/photoshop-2022-version-23-1-crack-exe-file-lifetime-activation-code-for-windows/In PDF document text
  • https://greenmedcross.com/wp-content/uploads/2022/06/Adobe_Photoshop_2022_Version_2301_Serial_Number__For_Windows_March2022.pdfIn PDF document text
  • https://www.cooks.am/wp-content/uploads/2022/07/saksfai.pdfIn PDF document text
  • http://hshapparel.com/adobe-photoshop-cc-2015-keygen-generator-free-3264bit-latest-2022/In PDF document text
  • http://spacebott.com/?p=1958In PDF document text
  • https://timelessflair.com/wp-content/uploads/2022/07/vantale.pdfIn PDF document text
  • https://naturalcancerhandbook.com/2022/07/01/photoshop-cc-2015-activation-key-mac-win/In PDF document text
  • http://blnovels.net/?p=16660In PDF document text
  • http://www.momshuddle.com/upload/files/2022/07/Zw23xmRxZKm4aGyEcQo6_01_36067e282e3c04cf5bdf97cecf483036_file.pdfIn PDF document text
  • https://p2p-tv.com/adobe-photoshop-2022-crack-with-serial-number-free-2022/In PDF document text
  • https://endleleni.com/adobe-photoshop-2021-version-22-4-hack-patch-pc-windows-updated-2022/In PDF document text
  • https://amoserfotografo.com/advert/adobe-photoshop-2022-version-23-1-1-free-download-latest/In PDF document text
  • https://greenearthcannaceuticals.com/adobe-photoshop-cc-2014-jb-keygen-exe-with-serial-key-free/In PDF document text
  • https://pollynationapothecary.com/wp-content/uploads/2022/07/germar.pdfIn PDF document text
  • http://www.thevendorguide.com/wp-content/uploads/2022/06/Photoshop_2021_Version_2231.pdfIn PDF document text
  • https://proffelipebarros.com.br/wp-In PDF document text
  • https://greenmedcross.com/wp-In PDF document text
  • http://www.momshuddle.com/upload/files/2022/07/Zw23xmRxZKm4aGyEcQo6_01_36067e282e3c04cf5bdf97cecf483036_filIn PDF document text
  • http://blogbasters.com/zg93bmxvywr8rfe1wvromwvyedhnvfkxtmpzd05estnoshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/benedict?perak.centrifuge=qwrvymugughvdg9zag9wiendqwr&dinic.generically=pestIn 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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