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.
• 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.
• 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://evacdir.com/seatwork.ZG93bmxvYWR8UUQ4ZERCME1ueDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?anesthetizing&bass&dislodge&RWFzZVVzIFRvZG8gUENUcmFucyBQcm9mZXNzaW9uYWwgODYgRnVsbCBWZXJzaW9uIDE4RWF=disount&imhosted&fasano PDF link annotation

  • https://www.raven-guard.info/wp-content/uploads/2022/06/Swami_notes_plab_1_download.pdfIn PDF document text
  • https://tbone.fi/wp-content/uploads/2022/06/karwatf.pdfIn PDF document text
  • https://gf-tunenoe.dk/wp-content/uploads/2022/06/Havoc_2005_UNRATED_DVDRip_XviDPuRE.pdfIn PDF document text
  • https://axisflare.com/upload/files/2022/06/XeSIUajGkRH9N7e8qqLR_12_9da626d11ce0da96d23ba4c721d1360d_file.pdfIn PDF document text
  • https://medialabs.asia/wp-content/uploads/2022/06/garvbern.pdfIn PDF document text
  • http://madshadowses.com/su-podium-v2-sketchup-8-crack-keygen-serial-verified-download-rar-18/In PDF document text
  • http://www.kotakenterprise.com/gx-works-2-1-98-15/In PDF document text
  • https://mentorthis.s3.amazonaws.com/upload/files/2022/06/D3odREn3hXfGeKzS9sFD_12_9da626d11ce0da96d23ba4c721d1360d_file.pdfIn PDF document text
  • https://wojdak.pl/wp-content/uploads/2022/06/maguardl.pdfIn PDF document text
  • https://servicellama.com/2022/06/12/al-qari-2-0-3-interactive-teacher-of-quran-crack/In PDF document text
  • https://nashvilleopportunity.com/om-shanti-om-movie-download-in-hindi-720p-torrent-new/In PDF document text
  • http://descargatelo.net/internet/lectores-de-rss/adobe-acrobat-xi-pro-11-0-0-multi-patch-mpt-rar-rar-link/In PDF document text
  • https://liquidonetransfer.com.mx/?p=15743In PDF document text
  • http://reddenegocios.garantizamifuturo.com/upload/files/2022/06/KeNFwLS2s2apnfYC3Au2_12_9da626d11ce0da96d23ba4c721d1360d_file.pdfIn PDF document text
  • https://drogadoboga.org/wp-content/uploads/2022/06/HD_Online_Player_Harry_Potter_And_The_Prisoner_Of_Azk.pdfIn PDF document text
  • https://storage.googleapis.com/paloodles/upload/files/2022/06/Kh9eHGeOwFkUR6h9dlsy_12_9da626d11ce0da96d23ba4c721d1360d_file.pdfIn PDF document text
  • https://therookeryonline.com/advert/winningeleven2013ps2isorar/In PDF document text
  • https://africanscientists.africa/wp-content/uploads/2022/06/annmary.pdfIn PDF document text
  • http://sanatkedisi.com/sol3/upload/files/2022/06/GMCjUmHDlVJ8mInqdAAR_12_f16e56b6919aa42333bc517206b2553c_file.pdfIn PDF document text
  • https://jomshopi.com/30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22year30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22/30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22monthnum30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22/30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22day30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22/30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22postname30bd44cc13fa7a30ad813cde1638c46c0edaa38936cbedbaaec9e88888dcad22/In PDF document text
  • http://evacdir.com/seatwork.zg93bmxvywr8uuq4zercme1uedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?anesthetizing&bass&dislodge&rwfzzvvzifrvzg8guenucmfucybqcm9mzxnzaw9uywwgodygrnvsbcbwzxjzaw9uide4rwf=disount&imhosted&fasanoIn 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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