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://mydrugdir.com/claves/bardolino/decontaminating/ZG93bmxvYWR8Z1o2YlhKemRIeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/&listeriosis=dentis&nofollow=SURNIFVsdHJhRWRpdCAyNi4yMC4wLjY4IENyYWNrIExpY2Vuc2UgS2V5IExhdGVzdASUR PDF link annotation

  • https://ayusya.in/wp-content/uploads/Kitab_Irsyadul_Ibadpdf.pdfIn PDF document text
  • http://www.oscarspub.ca/scaricare-artcam-2012-link-crack-64-bits-italiano/In PDF document text
  • https://aliffer.com/wp-content/uploads/2022/07/Waring_Soup_Maker_Recipe_Book_Download.pdfIn PDF document text
  • https://eskidiyse.com/index.php/unfold3d-vsrs-2018-0-45-win/In PDF document text
  • https://www.yunusbasar.com/wp-content/uploads/2022/07/talast.pdfIn PDF document text
  • https://www.lavozmagazine.com/advert/call-of-duty-world-at-war-1-4-lanfix-game-hack-better/In PDF document text
  • https://nameme.ie/wp-content/uploads/2022/07/jmkg_1_5_final_keygen_torrent.pdfIn PDF document text
  • https://www.consultingproteam.com/2022/07/28/rukn-e-deen-pdf-download-repack/In PDF document text
  • https://zariembroidery.com/wp-content/uploads/2022/07/Xfer_Serum_Serial_Number_24_TOP.pdfIn PDF document text
  • https://frameofmindink.com/wp-content/uploads/2022/07/Lexware_Buchhalter_2013_Torrentl.pdfIn PDF document text
  • https://www.onmoda.net/wp-content/uploads/2022/07/Red_Giant_Universe_Premium_321_Crack_Download_HERE__LINK.pdfIn PDF document text
  • http://adomemorial.com/2022/07/28/full-elementos-de-ingenieria-de-las-reacciones-quimicas-fogler-updated-3/In PDF document text
  • https://mentalfinesse.com/wp-content/uploads/2022/07/Adesh_K_Pandey_Compiler_Design_Pdf_Free_68-1.pdfIn PDF document text
  • https://www.saltroomhimalaya.com/wp-content/uploads/2022/07/Pantone_Color_Manager_Keygen.pdfIn PDF document text
  • http://www.vinergie.net/wp-content/uploads/2022/07/Klucz_Instalacyjny_Do_Gta_San_Andreas_Crack_Download.pdfIn PDF document text
  • https://earthoceanandairtravel.com/2022/07/28/ulike-class-10-maths-pdf-extra-quality/In PDF document text
  • https://www.preppersbrasil.com/wp-content/uploads/2022/07/Pacific_Rim__Uprising_English_Download_720p_Movie.pdfIn PDF document text
  • https://freecricprediction.com/wp-content/uploads/2022/07/laupaxt.pdfIn PDF document text
  • https://www.calinews.pf/advert/a-lenda-do-tesouro-perdido-2-livro-dos-segredos-zip/In PDF document text
  • https://blackownedclt.com/wp-content/uploads/2022/07/sabrrayl.pdfIn PDF document text
  • http://mydrugdir.com/claves/bardolino/decontaminating/zg93bmxvywr8z1o2ylhkemriedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/&listeriosis=dentis&nofollow=surnifvsdhjhrwrpdcayni4ymc4wljy4ienyywnriexpy2vuc2ugs2v5iexhdgvzdasurIn 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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