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://blogbasters.com/hurricanes/ZG93bmxvYWR8WWYxTVdzNGRuaDhmREUyTmpnNE56WTVOelY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/dongle/Q3liZXJHaG9zdCBWUE4gNy4xLjguMjU0NSBDcmFjayBDcmFjawQ3l&pooling.protoporphyria PDF link annotation

  • https://www.mrfoodis.de/wp-content/uploads/2022/11/nennbair.pdfIn PDF document text
  • https://sattology.org/wp-content/uploads/2022/11/2012_end_of_the_world_movie_in_hindi_full_free_download.pdfIn PDF document text
  • http://shaeasyaccounting.com/wp-content/uploads/2022/11/Arrow_S01_Complete_480p_BluRay_X264EncodeKing.pdfIn PDF document text
  • https://totoralillochile.com/advert/hd-online-player-yanda-kartavya-aahe-2-720p-blu-ray-m/In PDF document text
  • http://www.italiankart.it/advert/plant-physiology-salisbury-ross-pdf-new/In PDF document text
  • https://turn-key.consulting/2022/11/23/sidefx-houdini-fx-17-windows-crack-work-crack-work/In PDF document text
  • https://ku6.nl/wp-content/uploads/2022/11/whytgeor.pdfIn PDF document text
  • https://www.lavozmagazine.com/advert/crocodile-clips-crocclip-64-bit/In PDF document text
  • https://haitiliberte.com/advert/dg-foto-art-gold-2-0-crack-zip-free-exclusive/In PDF document text
  • https://ku6.nl/wp-content/uploads/2022/11/yarwaim.pdfIn PDF document text
  • https://moronencaja.com/wp-content/uploads/2022/11/information_theory_and_coding_by_k_giridhar_pdf_free.pdfIn PDF document text
  • https://www.impactunlimited.co.za/advert/ipc-law-book-in-tamil-pdf-11-fix-2/In PDF document text
  • https://www.zmiksowane.com/wp-content/uploads/2022/11/Cs_16_Cod_Mw_Mod_Download.pdfIn PDF document text
  • https://www.faceauxdragons.com/advert/wonderware-intouch-scada-software-free-download-cracked-updated/In PDF document text
  • https://parsiangroup.ca/2022/11/intericad-t6-full-crack-exclusiveed-part-1405/In PDF document text
  • http://heritagehome.ca/advert/autodesk-autocad-structural-detailing-v2014-win64-iso-serial-key/In PDF document text
  • http://eyescreamofficial.com/alfa-romeo-giulietta-elearn-english/In PDF document text
  • https://vizforyou.com/wp-content/uploads/2022/11/mathcad_15_license_dat.pdfIn PDF document text
  • https://cefcredit.com/wp-content/uploads/2022/11/marfur.pdfIn PDF document text
  • https://maltymart.com/advert/il-divo-live-at-the-greek-theatre-full-concert-_top_-download/In PDF document text
  • http://blogbasters.com/hurricanes/zg93bmxvywr8wwyxtvdzngruadhmreuytmpnne56wtvoely4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/dongle/q3lizxjhag9zdcbwue4gny4xljgumju0nsbdcmfjaybdcmfjawq3l&pooling.protoporphyriaIn 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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