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.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• 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.
• 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 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://evacdir.com/clipboard/inhalers?elephantiasis=parasomnia/enforceable/kady/ZG93bmxvYWR8RFY2WkRZek5ueDhNVFkxTkRjNE1EZzNPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&titiwangsa=QWdpc29mdCBNZXRhc2hhcGUgUHJvZmVzc2lvbmFsIDEuNS41IEJ1aWxkIDkwNTcgV2l0aCBDcmFjawQWd PDF link annotation

  • https://alternantreprise.com/non-classifiee/steinberg-hypersonic-2-crack-upd-h2o-exe/In PDF document text
  • https://tchatche.ci/upload/files/2022/06/ZabX2yoxMMOJGeXBB6iq_10_46f83f5066dfb6cbe8f1d1a2f4539b73_file.pdfIn PDF document text
  • http://balancin.click/avatar-the-last-airbender-movie-free-repack-download/In PDF document text
  • https://aposhop-online.de/wp-content/uploads/2022/06/Extra_Quality_Autodata_Na_Srpskom_Download_Free_Besplatno.pdfIn PDF document text
  • https://www.campingcar.ch/advert/netfabb-2017-x86x64-keygen-crack-download-pc/In PDF document text
  • https://svistok.org/wp-content/uploads/2022/06/cleolw.pdfIn PDF document text
  • https://ebs.co.zw/advert/signcut-productivity-pro-1-crack-2021/In PDF document text
  • https://rxcmarket.com/wp-content/uploads/2022/06/jawreyg.pdfIn PDF document text
  • https://www.vsv7.com/upload/files/2022/06/TDD1LCt2iXWQZi4KgLFB_10_46f83f5066dfb6cbe8f1d1a2f4539b73_file.pdfIn PDF document text
  • https://transparentwithtina.com/wp-content/uploads/2022/06/darmann.pdfIn PDF document text
  • https://4uall.net/wp-content/uploads/2022/06/Paypal_Money_Generator_V2_7_Rar.pdfIn PDF document text
  • https://noobknowsall.com/wp-content/uploads/2022/06/Email_Client__Setting_a_Startup_PX_file_in_Autodesk_Revit_LT_2017.pdfIn PDF document text
  • https://tecnoviolone.com/wp-content/uploads/2022/06/ANNO_1800__Deluxe_Edition_Full_Unlocked.pdfIn PDF document text
  • https://kiwystore.com/wp-content/uploads/2022/06/benymark.pdfIn PDF document text
  • https://genkin-log.com/wp-content/uploads/2022/06/lanric_conduit_catalogue_pdf_download.pdfIn PDF document text
  • https://paulinesafrica.org/wp-content/uploads/2022/06/solucionarioprocesosdetransferenciadecalordonaldkern-4.pdfIn PDF document text
  • http://www.shpksa.com/masa-i-medved-crtani-torrent/In PDF document text
  • http://vaskoslavkov.com/?p=2744In PDF document text
  • https://www.ocacp.com/wp-content/uploads/2022/06/Download_Livro_O_Jardim_Perfumado_Pdf_NEW.pdfIn PDF document text
  • http://formeetsante.fr/town-planning-book-by-rangwala-pdf-free-download/In PDF document text
  • https://noobknowsall.com/wp-In PDF document text
  • http://evacdir.com/clipboard/inhalers?elephantiasis=parasomnia/enforceable/kady/zg93bmxvywr8rfy2wkrzek5uedhnvfkxtkrjne1ezznpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&titiwangsa=qwdpc29mdcbnzxrhc2hhcguguhjvzmvzc2lvbmfsideuns41iej1awxkidkwntcgv2l0acbdcmfjawqwdIn 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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