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://findinform.com/?aerom=chaffed&condensed=tweener.RmlzaGluZyBQbGFuZXQ6IEJyZWFtIEZlZWRlciBGcmVuenkgUGFjawRml&ZG93bmxvYWR8QkUzTW5BMFkzQjhmREUyTlRreU1USTJPRFo4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=coverdell&weighting=deduction PDF link annotation

  • https://entrelink.hk/uncategorized/audiosurf-universal-keygen-serial-number-full-torrent-download-latest/In PDF document text
  • https://www.enriquetabara.com/wp-content/uploads/2022/07/Probability_Race_Crack_File_Only_.pdfIn PDF document text
  • https://xn--80aab1bep0b6a.online/wp-content/uploads/Freezer_Pops__Guide_keygen_generator__Keygen_Free.pdfIn PDF document text
  • https://abckidsclub.pl/memory-illusions-product-key-free-download/In PDF document text
  • https://thecluelesscoffee.com/wp-content/uploads/2022/07/Lotto_Life.pdfIn PDF document text
  • http://tekbaz.com/2022/07/31/factory-of-sweets-key-generator-free-download/In PDF document text
  • https://startpointsudan.com/index.php/2022/07/31/lost-words-beyond-the-page-key-generator-final-2022/In PDF document text
  • https://swecentre.com/wp-content/uploads/2022/07/Hospitality_VR_Crack__Keygen_Free_Download_Updated.pdfIn PDF document text
  • http://tichct.ir/wp-content/uploads/2022/07/Fantasy_Grounds__Remarkable_Shops_Torrent_Activation_Code_2022.pdfIn PDF document text
  • https://bizzclassified.us/advert/clicker-badventure-free-registration-code-download/In PDF document text
  • http://www.kitesurfingkites.com/core-disruption-final-2022/In PDF document text
  • https://www.cbdxpress.eu/wp-content/uploads/NeonXSZ.pdfIn PDF document text
  • https://livesextransvestite.com/3d-text-adventure-crack-mega-with-keygen-free-download-2022-latest/In PDF document text
  • https://nashvilleopportunity.com/last-resort-crack-exe-file-registration-code-latest-2022/In PDF document text
  • https://booktiques.eu/wp-content/uploads/2022/07/ProtoStone_Hacked__Download_Final_2022.pdfIn PDF document text
  • https://entrelink.hk/uncategorized/audiosurf-universal-keygen-serial-number-In PDF document text
  • https://www.enriquetabara.com/wp-In PDF document text
  • https://xn--80aab1bep0b6a.online/wp-In PDF document text
  • https://startpointsudan.com/index.php/2022/07/31/lost-words-beyond-the-In PDF document text
  • https://swecentre.com/wp-content/uploads/2022/07/Hospitality_VR_Crack__KeIn PDF document text
  • http://tichct.ir/wp-content/uploads/2022/07/Fantasy_Grounds__Remarkable_ShIn PDF document text
  • https://bizzclassified.us/advert/clicker-badventure-free-registration-code-In PDF document text
  • https://livesextransvestite.com/3d-text-adventure-crack-mega-with-keygen-In PDF document text
  • https://nashvilleopportunity.com/last-resort-crack-exe-file-registration-code-In PDF document text
  • https://booktiques.eu/wp-In PDF document text
  • http://findinform.com/?aerom=chaffed&condensed=tweener.rmlzagluzybqbgfuzxq6iejyzwftiezlzwrlcibgcmvuenkgugfjawrml&zg93bmxvywr8qkuztw5bmfkzqjhmreuytlrreu1ustjprfo4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=coverdell&weighting=deductionIn PDF document text
  • http://tichct.ir/wp-content/uploads/2022/07/fantasy_grounds__remarkable_shops_torrent_activation_code_2022.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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