Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://esecuritys.com/batalla/jayna/?polycythemias=surprises.U3BzcyAyMCBmdWxsIHZlcnNpb24gd2l0aCBjcmFjawU3B.ZG93bmxvYWR8UEkwZG1wa2VueDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&mult=skyrockets PDF link annotation

  • https://anticonuovo.com/wp-content/uploads/2022/07/Horoscope_Explorer_Pro_502_Crac_LINK.pdfIn PDF document text
  • https://organicway-cityvest.dk/brandy-human-full-album-zip-hit-hot/In PDF document text
  • http://pussyhub.net/xforce-keygen-artcam-2018-32bit-free-download-better/In PDF document text
  • https://certifiedlisteners.org/wp-content/uploads/2022/07/almegol.pdfIn PDF document text
  • https://levitra-gg.com/?p=38700In PDF document text
  • https://thevalleyvoice.ca/advert/advanced-systemcare-13-2-license-key-pro-updated/In PDF document text
  • https://lacomfortair.com/fast-gsm-agere-1-0-0-2-gt-b3310-temp-updated/In PDF document text
  • http://silkfromvietnam.com/?p=95232In PDF document text
  • http://www.vinergie.net/wp-content/uploads/2022/07/ilyhalm.pdfIn PDF document text
  • https://infinitynmore.com/2022/07/28/creative-market-2013-x-force-2013-x32-exe-iso-full/In PDF document text
  • http://www.viki-vienna.com/tanner-eda-v13-software-free-20-verified/In PDF document text
  • https://holytrinitybridgeport.org/advert/hard-disk-sentinel-pro-5-30-6-build-9417-crack-key-free/In PDF document text
  • https://r-posts.com/wp-content/uploads/2022/07/hildmer.pdfIn PDF document text
  • http://valentinesdaygiftguide.net/?p=77728In PDF document text
  • https://globalpoetandpoetry.com/wp-content/uploads/2022/07/The_Black_Prince_movie_1080p_torrent.pdfIn PDF document text
  • https://airbrushinformation.net/wp-content/uploads/2022/07/Native_Instruments_VC_160_100_VSTRTASAAX_X86_X64_HOT.pdfIn PDF document text
  • http://duhocnewworld.com/wp-content/uploads/2022/07/Artificial_Girl_3_Megapack_168_Characters_269_11.pdfIn PDF document text
  • https://dincampinginfo.dk/wp-content/uploads/2022/07/Dual_Audio_Movies_Hindi_English_720p_Fast_And_Furious_8_English_1080p_2021.pdfIn PDF document text
  • https://www.mein-hechtsheim.de/advert/highly-compressed-pc-games-free-download-less-than-50-mb-exclusive/In PDF document text
  • https://elstruplaug.dk/wp-content/uploads/vengaiyin_maindhan_novel_download_pdf.pdfIn PDF document text
  • http://esecuritys.com/batalla/jayna/?polycythemias=surprises.u3bzcyaymcbmdwxsihzlcnnpb24gd2l0acbjcmfjawu3b.zg93bmxvywr8uekwzg1wa2vuedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&mult=skyrocketsIn 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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