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://blogbasters.com/duller/?U0VOUkFOIEtBR1VSQSBQZWFjaCBCZWFjaCBTcGxhc2ggLSBEZW5nZWtpIFBhY2sU0V=&ZG93bmxvYWR8bUMyTldveGFEVjhmREUyTlRreU1USTJPRFo4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=tempts&monarth=breadwinners PDF link annotation

  • http://jeunvie.ir/?p=12515In PDF document text
  • http://historyfootsteps.net/precipice-of-darkness-episode-one-keygen-crack-serial-key-2022-latest/In PDF document text
  • https://seniordiscount.ca/wp-content/uploads/2022/07/Isaiah_188.pdfIn PDF document text
  • https://zum-token.com/agent-klutz-crack-full-version/In PDF document text
  • https://kidztopiaplay.com/wp-content/uploads/2022/07/Yavi_With_License_Key__Latest_2022.pdfIn PDF document text
  • https://www.vakantiehuiswinkel.nl/linx-battle-arena-24-character-set-product-key-updated-2022/In PDF document text
  • http://angenehme-welt.de/wp-content/uploads/2022/07/Genesis_Of_Drones_Serial_Number__Serial_Key_Free_Latest.pdfIn PDF document text
  • https://big-plate.de/2022/07/31/robot-squad-simulator-2017-activation-code-with-keygen-download-latest-2022/In PDF document text
  • https://blooming-refuge-77119.herokuapp.com/Lumino_City.pdfIn PDF document text
  • https://anipool.es/wp-content/uploads/2022/07/Heavy_Dreams_Keygen_Crack_Serial_Key___Keygen.pdfIn PDF document text
  • http://advantageequestrian.com/?p=15776In PDF document text
  • https://www.pianistaid.com/wp-content/uploads/2022/07/Space_Rangers_HD_A_War_Apart_Hack_Patch__.pdfIn PDF document text
  • http://coopdespensasolidaria.com/?p=27291In PDF document text
  • http://oiseauheureux.xyz/wp-content/uploads/2022/07/Fallen_Cube.pdfIn PDF document text
  • https://www.webcard.irish/mad-devils-keygen-generator-free-download-2022/In PDF document text
  • http://angenehme-welt.de/wp-In PDF document text
  • https://big-plate.de/2022/07/31/robot-squad-simulator-2017-activation-code-with-keygen-download-In PDF document text
  • https://anipool.es/wp-In PDF document text
  • https://www.pianistaid.com/wp-In PDF document text
  • http://blogbasters.com/duller/?u0voukfoietbr1vsqsbqzwfjacbczwfjacbtcgxhc2gglsbezw5nzwtpifbhy2su0v=&zg93bmxvywr8bumytldvegfevjhmreuytlrreu1ustjprfo4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=tempts&monarth=breadwinnersIn 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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