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://signforcover.com/TUFHSVggTXVzaWMgTWFrZXIgMjAxOCBQcmVtaXVtIDI4LjEuNC41NCBDcmFjayBkb3dubG9hZATUF/ZG93bmxvYWR8eE01YVRJeGZId3hOall5Tmpnd016a3dmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ.semantic/fowl/hepititus=creel PDF link annotation

  • https://catergate.com/wp-content/uploads/2022/09/Mp3_Kirmes_Jingles_Kostenlos_Download_Rarzip_CRACKED.pdfIn PDF document text
  • https://polar-garden-71885.herokuapp.com/alahay.pdfIn PDF document text
  • https://efekt-metal.pl/witaj-swiecie/In PDF document text
  • https://www.mein-hechtsheim.de/advert/mastizaade-full-movie-in-hindi-free-download-hd-hot/In PDF document text
  • https://diontalent.nl/2022/09/09/sony-vegas-pro-13-0-1-build-453-x64-patch-di-serial-key-repack/In PDF document text
  • https://lutce.ru/wp-content/uploads/2022/09/knowing_in_hindi_dubbed_movie_new_download.pdfIn PDF document text
  • https://postlistinn.is/wp-content/uploads/2022/09/denncro.pdfIn PDF document text
  • https://stepmomson.com/wp-content/uploads/2022/09/gavjaem.pdfIn PDF document text
  • http://shop.chatredanesh.ir/?p=119307In PDF document text
  • https://cucinino.de/wp-content/uploads/shes_dating_the_gangster_eng_sub_full_movie_29.pdfIn PDF document text
  • https://fitnessclub.boutique/tuneup-utilities-2014-14-0-1000-169-final-ml-crack-verified/In PDF document text
  • http://www.giffa.ru/who/lotrbfme2multiplayerportable-cracked/In PDF document text
  • https://gracepluscoffee.com/dp-technology-esprit-2018-r2-build-19-18-182-1804-better-crack-2/In PDF document text
  • https://arcane-island-02902.herokuapp.com/Pacquest_3d_Full_Version_Downloa.pdfIn PDF document text
  • https://www.batiksukses.com/ultimate-ufd2-decrypter-nitro-version-free-460-new/In PDF document text
  • http://bachelorsthatcook.com/wp-content/uploads/2022/09/Download_Heartless_Full_HOT_Movie_In_Hd_1080p_Torrent.pdfIn PDF document text
  • https://superstitionsar.org/hd-online-player-download-agyaat-1080p-cracked/In PDF document text
  • https://www.bridgeextra.com/wp-content/uploads/2022/09/Endnote_X6_Full_Crack_For_Windows_7_Download.pdfIn PDF document text
  • https://kufm.net/wp-content/uploads/2022/09/salfil.pdfIn PDF document text
  • http://psychomotorsports.com/?p=63600In PDF document text
  • https://catergate.com/wp-In PDF document text
  • http://bachelorsthatcook.com/wp-In PDF document text
  • https://www.bridgeextra.com/wp-In PDF document text
  • http://signforcover.com/tufhsvggtxvzawmgtwfrzxigmjaxocbqcmvtaxvtidi4ljeunc41ncbdcmfjaybkb3dubg9hzatuf/zg93bmxvywr8ee01yvrjegzid3hoall5tmpnd016a3dmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq.semantic/fowl/hepititus=creelIn PDF document text
  • http://bachelorsthatcook.com/wp-content/uploads/2022/09/download_heartless_full_hot_movie_in_hd_1080p_torrent.pdfIn 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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