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 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://thedirsite.com/V2luZG93cyBYUCBQcm8gU1AyIFcgU0FUQSBJbnRlZ3JhdGVkIERyaXZlcnMhV2l/aabs/disinvestments&entranced/ZG93bmxvYWR8cXAzTW1zeWFIeDhNVFkxTnpBMk56RTFOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/playback/ PDF link annotation

  • https://manglarbymoms.co/wp-content/uploads/2022/07/FXhome_Ignite_Pro_40852810801_Crack-1.pdfIn PDF document text
  • http://www.keops.cat/index.php/2022/07/06/pspice-full-version-link-download-64-bit/In PDF document text
  • https://oursocial.io/upload/files/2022/07/GWRQEFhRGCqkOkmZ4KMs_06_4cf9b7bec36d657b11a2077cdafcd5fe_file.pdfIn PDF document text
  • https://www.calinews.pf/advert/adobe-audition-cc-2018-v18-0-0-192-64-bit-crack-link-download-pc/In PDF document text
  • https://legalacademy.net/blog/index.php?entryid=3295In PDF document text
  • https://lms.trungtamthanhmy.com/blog/index.php?entryid=3327In PDF document text
  • https://lms.igears.com.hk/ywb/blog/index.php?entryid=4382In PDF document text
  • https://poetzinc.com/upload/files/2022/07/pmIqQFP44OwJvIUnqUye_06_5029562f9dce654f40f90c13b4e0f4f1_file.pdfIn PDF document text
  • http://karnalketo.com/stairdesigner-6-50b-and-torrent/In PDF document text
  • https://ebbsarrivals.com/2022/07/06/predrag-zivkovic-tozovac-diskografija-download-best/In PDF document text
  • https://travelwithme.social/upload/files/2022/07/62OG2PRDV6EJuLzMAnFD_06_4cf9b7bec36d657b11a2077cdafcd5fe_file.pdfIn PDF document text
  • https://inge-com.fr/cars-3-english-2-full-movie-in-hindi-720p-updated/In PDF document text
  • https://supplementaryeducationalservices.com/blog/index.php?entryid=3293In PDF document text
  • http://vizitagr.com/?p=26071In PDF document text
  • http://elstar.ir/2022/07/06/scientific-workplace-5-5-full-link-mediafire/In PDF document text
  • http://www.publicpoetry.net/2022/07/cryptozor-7-6-logiciel-de-cryptage-link/In PDF document text
  • https://tuscomprascondescuento.com/2022/07/06/resident-evil-2-remake-update-20191218-codex-fitgirl-exclusive/In PDF document text
  • https://squalefishing.com/advert/isarcextract-isdone-dll-error-pes-2013/In PDF document text
  • https://www.forumartcentre.com/vivado-hls-license-crack-software-link/In PDF document text
  • https://manglarbymoms.co/wp-In PDF document text
  • https://oursocial.io/upload/files/2022/07/GWRQEFhRGCqkOkmZ4KMs_06_4cf9b7bec36d657b11a2077In PDF document text
  • https://poetzinc.com/upload/files/2022/07/pmIqQFP44OwJvIUnqUye_06_5029562f9dce654f40f90c13bIn PDF document text
  • https://travelwithme.social/upload/files/2022/07/62OG2PRDV6EJuLzMAnFD_06_4cf9b7bec36d657b11In PDF document text
  • https://tuscomprascondescuento.com/2022/07/06/resident-evil-2-remake-update-20191218-codex-In PDF document text
  • http://thedirsite.com/v2luzg93cybyucbqcm8gu1ayifcgu0fuqsbjbnrlz3jhdgvkieryaxzlcnmhv2l/aabs/disinvestments&entranced/zg93bmxvywr8cxaztw1zewfiedhnvfkxtnpbmk56rtfoshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/playback/In PDF document text
  • https://wakelet.com/wake/ppfNHAxL816rkG-6_U9mgIn 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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