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://hardlyfind.com/genocide.cargeenan?ZG93bmxvYWR8TXkyTVROM1p6SjhmREUyTmpVM016TTROREY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=&grain=&aWQgZmxvdyBjcmFjayBrZXlnZW4gc2VyaWFsIHBhdGNoaWQ=starteaching PDF link annotation

  • http://jameschangcpa.com/advert/dr-fone-registration-code-hot/In PDF document text
  • https://baitjadati.com/wp-content/uploads/2022/10/download_film_Gharwali_Baharwali_720p_movies.pdfIn PDF document text
  • http://villa-mette.com/wp-content/uploads/2022/10/CutMaster_2D_Pro_v1327_Crack_serial_keygen_cd_key42.pdfIn PDF document text
  • http://chatredaneshmarket.com/?p=137195In PDF document text
  • http://www.hacibektasdernegi.com/wp-content/uploads/Free_Ebook_Download_Pengantar_Ilmu_Pariwisata_Yoeti_Oka76.pdfIn PDF document text
  • https://dincampinginfo.dk/wp-content/uploads/2022/10/sadquiq.pdfIn PDF document text
  • https://www.riobrasilword.com/2022/10/16/ravish-singh-electrical-networks-ebook-free-download-free/In PDF document text
  • https://www.lacalleloiza.com/wp-content/uploads/2022/10/xylbar.pdfIn PDF document text
  • https://mentorus.pl/chemical-reaction-engineering-2-by-ka-gavhane-free-download-better/In PDF document text
  • https://superstitionsar.org/fifa-16-crack-3dm-v3-cracked/In PDF document text
  • https://baitjadati.com/wp-In PDF document text
  • http://villa-mette.com/wp-content/uploads/2022/10/CutMaster_2D_Pro_v1327_In PDF document text
  • http://www.hacibektasdernegi.com/wp-content/uploads/Free_Ebook_Download_In PDF document text
  • https://www.riobrasilword.com/2022/10/16/ravish-singh-electrical-networks-In PDF document text
  • https://mentorus.pl/chemical-reaction-engineering-2-by-ka-gavhane-free-In PDF document text
  • http://hardlyfind.com/genocide.cargeenan?zg93bmxvywr8txkytvrom1p6sjhmreuytmpvm016ttrorey4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=&grain=&awqgzmxvdybjcmfjaybrzxlnzw4gc2vyawfsihbhdgnoawq=starteachingIn 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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