Malicious PDF — malware analysis report

Heuristics 7

• 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 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/ZG93bmxvYWR8Tlc3ZURFNWZId3hOalUwTnpnd09EYzVmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/euroleague/TWljcm9zb2Z0IE9mZmljZSAxNiBXb3JkIEV4Y2VsIFBvd2VyUG9pbnQgWDY0IFYxNi4wLjkyMjYuMjExNCA2NCBCaXQTWl/unstability.origami/?hearns PDF link annotation

  • http://walter-c-uhler.com/?p=10469In PDF document text
  • http://www.ndvadvisers.com/autocad-2014-code-xforce-upd-2014-activation-torrent/In PDF document text
  • https://prayersonline.org/wp-content/uploads/2022/06/Sms_Caster_37_Unlock_Key.pdfIn PDF document text
  • http://okinawahousingportal.com/?p=22900In PDF document text
  • https://viajacomolocal.com/wp-content/uploads/2022/06/Artisan_V101_Plugin_For_Sketchup_Cracked_Version_174.pdfIn PDF document text
  • https://pascanastudio.com/wp-content/uploads/2022/06/wic_reset_key_keygen_13.pdfIn PDF document text
  • https://nadercabin.ir/2022/06/10/mcquay-duct-size-calculator-free-download/In PDF document text
  • http://www.twelvev.com/index.php/2022/06/10/film-indian-uniti-pentru-totdeauna-online-subtitrat/In PDF document text
  • https://mardemandalas.com/wp-content/uploads/2022/06/Tmpgenc_Authoring_Works_5_Crack_12.pdfIn PDF document text
  • https://frustratedgamers.com/upload/files/2022/06/WlX9nFK9S7XBJ2PZRIBf_10_4fe6215a2cb33aa536a4701352ce042c_file.pdfIn PDF document text
  • https://mayoreoshop.com/wp-content/uploads/2022/06/elmywin.pdfIn PDF document text
  • https://www.xn--gber-0ra.com/upload/files/2022/06/TeHCq3kHuCpAGrmgpeeC_10_c192264ae1ed1911dd02db80fb5324ce_file.pdfIn PDF document text
  • https://www.hhlacademy.com/advert/full-emagic-logic-audio-platinum-v5-3-portable/In PDF document text
  • https://alfagomeopatia.ru/wp-content/uploads/honestech_tvr_30_free_full_download_crack.pdfIn PDF document text
  • http://www.vauxhallvictorclub.co.uk/advert/progmatic-7-full-indir-top/In PDF document text
  • https://kaasck.com/wp-content/uploads/2022/06/ismaquar.pdfIn PDF document text
  • http://mysleepanddreams.com/vectric-cut3d-crackrar/In PDF document text
  • https://us4less-inc.com/wp-content/uploads/honestech_tvr_25_product_key_free_download.pdfIn PDF document text
  • https://cooltto.com/wp-content/uploads/marzeno.pdfIn PDF document text
  • https://frustratedgamers.com/upload/files/2022/06/WlX9nFK9S7XBJ2PZRIBf_10_4fe6215a2cb33aa536a4701352ce042c_fileIn PDF document text
  • https://www.xn--gber-0ra.com/upload/files/2022/06/TeHCq3kHuCpAGrmgpeeC_10_c192264ae1ed1911dd02db80fb5324ce_fiIn PDF document text
  • http://evacdir.com/zg93bmxvywr8tlc3zurfnwzid3hoaluwtnpnd09eyzvmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/euroleague/twljcm9zb2z0ie9mzmljzsaxnibxb3jkiev4y2vsifbvd2vyug9pbnqgwdy0ifyxni4wljkymjyumjexnca2ncbcaxqtwl/unstability.origami/?hearnsIn PDF document text
  • https://istahowcaleroc.wixsite.com/hecdichinme/post/microsoft-office-2013-free-__exclusive__-download-4sharedIn 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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