Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• 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://find24hs.com/cooperatively?ZG93bmxvYWR8cTRQTVRFM1ptcDhmREUyTlRneU1UZzVPRFY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=/antimuscarinics/unpackaged/clink/ZG93bmxvYWQga2V5Z2VuIDIwMTgucmFyIHhmb3JjZSBwYXJhIEF1dG9DQUQgUGxhbnQgM0QgMjAxOCBncmF0aXMZG9.necrotic PDF link annotation

  • https://charlottekoiclub.com/advert/fluidsim-5-full-version-free-free-download-5/In PDF document text
  • http://nii-migs.ru/?p=11982In PDF document text
  • https://smallprix.ro/static/uploads/2022/07/Human_Resource_Managment_Gary_Dessler_Biju_Varkkey_12th_Pdf_Download_Zip_UPD.pdfIn PDF document text
  • https://yukoleather.net/wp-content/uploads/2022/07/silvale.pdfIn PDF document text
  • http://lockbrotherstennis.com/?p=8997In PDF document text
  • http://www.coneccta.com/2022/07/26/ahmet-kanneci-gitar-metodu-pdf-16-_top_/In PDF document text
  • http://jwbotanicals.com/wp-content/uploads/2022/07/pokemon_vortex_legendary_generator.pdfIn PDF document text
  • https://www.ticonsiglioperche.it/the-guillotines-2012-bluray-720p-800mb-ganool-install/uncategorized/In PDF document text
  • http://dirkjuan.com/ptexcon-key-pdf-to-excel-portable/In PDF document text
  • https://orderino.de/wp-content/uploads/2022/07/Aaja_Nachle_full_movie_free_download_in_hindi_hd.pdfIn PDF document text
  • https://tourismcenter.ge/wp-content/uploads/2022/07/P3D_P3Dv4_PMDG_747400_QOTSII_Base_Package_V3008415_Latest_Version_TOP.pdfIn PDF document text
  • http://autocracymachinery.com/?p=43760In PDF document text
  • http://patsprose.com/PatriciaBenagesBooks/ArtlclesIn PDF document text
  • https://www.theblender.it/cle-activation-sphinx-iq/In PDF document text
  • https://gecm.es/wp-content/uploads/2022/07/HD_Online_Player_Mary_Kom_In_Hindi_Torrent_Download_7_HOT.pdfIn PDF document text
  • https://ratucnc.com/download-top-wrestling-2012-pc-game/In PDF document text
  • https://www.townlifeproperties.com/wp-content/uploads/2022/07/irynpanf.pdfIn PDF document text
  • https://goldplant.ro/wp-content/uploads/2022/07/HD_Online_Player_Shivaay_Full_Movie_Hd_1080p_In_Hindi.pdfIn PDF document text
  • https://www.promosongroup.com/wp-content/uploads/2022/07/Niruwath_Wanaraya_Pdf_Free_Download_VERIFIED.pdfIn PDF document text
  • https://positiverne.dk/wp-content/uploads/haldamel.pdfIn PDF document text
  • https://smallprix.ro/static/uploads/2022/07/Human_Resource_Managment_Gary_Dessler_Biju_VarkkeyIn PDF document text
  • https://www.ticonsiglioperche.it/the-guillotines-2012-bluray-720p-800mb-ganool-In PDF document text
  • https://orderino.de/wp-In PDF document text
  • https://tourismcenter.ge/wp-content/uploads/2022/07/P3D_P3Dv4_PMDG_747400_QOTSII_Base_PackIn PDF document text
  • https://gecm.es/wp-In PDF document text
  • https://goldplant.ro/wp-In PDF document text
  • https://www.promosongroup.com/wp-In PDF document text
  • http://find24hs.com/cooperatively?zg93bmxvywr8ctrqtvrfm1ptcdhmreuytlrneu1uzzvprfy4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=/antimuscarinics/unpackaged/clink/zg93bmxvywqga2v5z2vuidiwmtgucmfyihhmb3jjzsbwyxjhief1dg9dquqgugxhbnqgm0qgmjaxocbncmf0axmzg9.necroticIn 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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