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://evacdir.com/cruis/meteorological/glory/ZGVybWF0b2xvZ3kgc2VjcmV0cyBwbHVzIHBkZiBmcmVlIGRvd25sb2FkZGV/intergalactic/outstay.piggyback/ZG93bmxvYWR8eUE2YUdFd2RueDhNVFkxTkRnNU16RTVNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://5camper.com/wp-content/uploads/2022/06/Amtlibdll_Adobe_Encore_Cs6_64bit.pdfIn PDF document text
  • https://kinderspecial.com/blog/index.php?entryid=2113In PDF document text
  • https://hissme.com/upload/files/2022/06/WP4LUWI2DyxrxOqYsHEu_11_639634759bbec0893fc756099bbb9924_file.pdfIn PDF document text
  • https://7smabu2.s3.amazonaws.com/upload/files/2022/06/AhFzhdWILnfC4vLwV7VQ_11_326e7bb04529bc9cc7a5c9143da70716_file.pdfIn PDF document text
  • http://www.ossmediterraneo.com/?p=7181In PDF document text
  • https://grandioso.immo/space-shuttle-mission-2007-5-31-fix-keygen/In PDF document text
  • http://www.vxc.pl/?p=14273In PDF document text
  • https://www.podiumrakyat.com/dentistica-operatoria-mondelli-pdf-download/In PDF document text
  • http://sawkillarmoryllc.com/black-ops-2-fov-changer-pc-39/In PDF document text
  • https://thebakersavenue.com/wp-content/uploads/2022/06/ellibeli.pdfIn PDF document text
  • http://sourceofhealth.net/2022/06/11/steinberg-cubase-pro-10-5-x64-with-crack-hot/In PDF document text
  • https://bravahost.com/blog/2022/06/11/lpc2000-flash-utility-2-2-3-download-new/In PDF document text
  • https://morning-shelf-82651.herokuapp.com/Memory_Card_Recovery_v3601012_With_Serial_KeyKuttootta_rar.pdfIn PDF document text
  • http://www.wellbeingactivity.com/2022/06/11/fmrte-13-license-file-crack/In PDF document text
  • http://mkyongtutorial.com/dracula-twins-download-full-version-crackIn PDF document text
  • https://dornwell.pl/wp-content/uploads/2022/06/valuill.pdfIn PDF document text
  • https://damp-gorge-03492.herokuapp.com/germait.pdfIn PDF document text
  • https://giessener-daemmstoffe.de/wp-content/uploads/2022/06/Sicario_Full_Movie_In_Hindi_Dubbed_Download.pdfIn PDF document text
  • http://prayerandpatience.com/wp-content/uploads/2022/06/beacluc.pdfIn PDF document text
  • http://maili.demoe.cn:112/upload/files/2022/06/JoQ9scBUP1m14E8nG7LQ_11_746652bdc2fbfb15a0ea08b5fc3e9e16_file.pdfIn PDF document text
  • https://7smabu2.s3.amazonaws.com/upload/files/2022/06/AhFzhdWILnfC4vLwV7VQ_11_326e7bb04529bc9cc7a5c9143da70716_In PDF document text
  • http://evacdir.com/cruis/meteorological/glory/zgvybwf0b2xvz3kgc2vjcmv0cybwbhvzihbkzibmcmvligrvd25sb2fkzgv/intergalactic/outstay.piggyback/zg93bmxvywr8eue2yudfd2ruedhnvfkxtkrnnu16rtvnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • https://www.podiumrakyat.com/dentistica-operatoria-mondelli-pdf-downloadIn 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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