Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• 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://evacdir.com/backhealthpro/camps/oozed.departures.U29ueSBQU1AgVU1EIHRvb2xzIExlYWtlZCEhIEhPVyBUTyBVU0XCoEVNU29.individuality/kleenex?metacholine=ZG93bmxvYWR8bkQ5TVRCdU56TjhmREUyTlRRNE9UTXhPVEY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk PDF link annotation

  • https://happyfarmer.clickhost.nl/advert/illusion-play-club-retail-download-better-game-download-better/In PDF document text
  • http://mir-ok.ru/nav-n-go-igo8-windows-ce-60/In PDF document text
  • https://rxharun.com/remote-desktop-connection-7-1-client-download-windows-xp-verified/In PDF document text
  • https://frotastore.com/wp-content/uploads/2022/06/CRACK_Waves__Complete_v10_20180807_VST_VST3_AAX_STANDALONE_x.pdfIn PDF document text
  • https://grillreviewsonline.com/news/medion-ms-7046-drivers-download-new/In PDF document text
  • http://saddlebrand.com/?p=18032In PDF document text
  • https://irootworld01.s3.amazonaws.com/upload/files/2022/06/FHtHrPLkvg5kivKVpyO3_11_3279c075c0c8d6c8ed53190f682e0abb_file.pdfIn PDF document text
  • https://ukrainefinanceplatform.com/wp-content/uploads/2022/06/PTC_Pro_Engineer_Wildfire_40_M210_Win32_Win64.pdfIn PDF document text
  • https://www.yunusbasar.com/wp-content/uploads/2022/06/TweakNow_PowerPack_2009_Portable_Full_Version.pdfIn PDF document text
  • https://ictlife.vn/upload/files/2022/06/hbITL2SIWhETf2D3fQsc_12_e8386cfd9f6c9b2d29d0abfc3ea29966_file.pdfIn PDF document text
  • http://treasureclub.com/wp-content/uploads/2022/06/Ultimate_Fishing_Simulator_2202487_DLC_RePack_full_FREE.pdfIn PDF document text
  • https://tejarahworld.com/my-heart-and-other-black-holes-epub-download-free-work/In PDF document text
  • https://netgork.com/upload/files/2022/06/DPcry5Ep7mZZGUaSWIYR_11_e8386cfd9f6c9b2d29d0abfc3ea29966_file.pdfIn PDF document text
  • https://over-the-blues.com/advert/download-usb-extreme-ps2-slim/In PDF document text
  • https://www.agrofacil.co/wp-content/uploads/2022/06/keelama.pdfIn PDF document text
  • https://biotechyou.com/mouse-cursor-p3d-rar/In PDF document text
  • https://www.yatrdu.org/advert/3dmgame-dll-gta-v-free-download/In PDF document text
  • http://kramart.com/inilabs-school-management-system-nulled-better-cracking/In PDF document text
  • https://aapanobadi.com/wp-content/uploads/2022/06/Zortam_Mp3_Media_Studio_Pro_2610_Crack_Serial_Key_2020.pdfIn PDF document text
  • https://frotastore.com/wp-In PDF document text
  • https://irootworld01.s3.amazonaws.com/upload/files/2022/06/FHtHrPLkvg5kivKVpyO3_11_3279c075c0c8d6c8ed53190f682eIn PDF document text
  • http://evacdir.com/backhealthpro/camps/oozed.departures.u29uesbqu1agvu1eihrvb2xziexlywtlzcehiehpvybutybvu0xcoevnu29.individuality/kleenex?metacholine=zg93bmxvywr8bkq5tvrcdu56tjhmreuytlrrne9utxhpvey4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpkIn PDF document text
  • https://happyfarmer.clickIn PDF document text
  • https://warriorplus.com/o2/a/vqvqcq/0?p=8193In 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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