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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/S01TcGljbyBWMTAgQmV0YSAyIDY0IEJpdAS01/caucacus.donana/crackerjack?polyols=/eile/ripening/sporty/ZG93bmxvYWR8Y204TldGNWVIeDhNVFkxTkRjNE1EZzNPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/ PDF link annotation

  • http://www.kengerhard.com/wp-content/uploads/2022/06/magic_dvd_ripper_keygen_610.pdfIn PDF document text
  • http://www.studiofratini.com/wp-content/uploads/2022/06/om_shanti_om_tamil_dubbed_movie_free_download.pdfIn PDF document text
  • https://richard-wagner-werkstatt.com/wp-content/uploads/2022/06/Automapa_Android_Chomikuj_Crack_Fifal.pdfIn PDF document text
  • https://lots-a-stuff.com/ad-hoc-server-windows-ppsspp-patched-download/In PDF document text
  • https://scamfie.com/woohoo-for-money-mod-new/In PDF document text
  • https://gaming-walker.com/upload/files/2022/06/VYP4KhBNc4kxbfvn85BR_10_1eed38c19c1610005ca75ab19684c4a8_file.pdfIn PDF document text
  • http://www.buriramguru.com/wp-content/uploads/2022/06/taipri.pdfIn PDF document text
  • https://lobenicare.com/cutmaster-2d-pro-v1-3-2-7-crack-seri/In PDF document text
  • https://thingstosale.com/advert/pdf-2007-2008-voci-ece-lite-easy-party-ps3-ps2-saral-master/In PDF document text
  • https://gyllendal.com/wp-content/uploads/2022/06/odipaea.pdfIn PDF document text
  • https://nashvilleopportunity.com/hack-adobe-indesign-cc-2019-14-0-0-x64-repack-crack/In PDF document text
  • http://qualispaper.com/wp-content/uploads/2022/06/Features_of_Autodesk_2016__Q__A.pdfIn PDF document text
  • http://bestoffers-online.com/?p=12196In PDF document text
  • http://referendum.pl/2022/06/10/nuuo-ip-camera-software-crack-__top__/In PDF document text
  • http://www.keops.cat/index.php/2022/06/10/al-qanun-fil-tibb-in-urdu-pdf-download-portable/In PDF document text
  • https://folioh.com/wp-content/uploads/2022/06/rozesof.pdfIn PDF document text
  • https://pk-luggage.com/sketchup-pro-2020-20-0-363-0-crack-activation-key.htmlIn PDF document text
  • https://professionalcookingtips.com/2021-download-it-uma-obra-prima-do-medo-dublado-avi/In PDF document text
  • https://thenationalreporterng.com/arcania-gothic-4-serial-number-chomikuj/In PDF document text
  • http://www.studiofratini.com/wp-In PDF document text
  • https://richard-wagner-werkstatt.com/wp-In PDF document text
  • https://gaming-walker.com/upload/files/2022/06/VYP4KhBNc4kxbfvn85BR_10_1eed38c19c1610005cIn PDF document text
  • http://evacdir.com/s01tcgljbybwmtagqmv0ysayidy0iejpdas01/caucacus.donana/crackerjack?polyols=/eile/ripening/sporty/zg93bmxvywr8y204tldgnwviedhnvfkxtkrjne1ezznpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/In PDF document text
  • https://wakelet.com/wake/qmoE_5f36v5fhxemKIZjXIn 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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