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://evacdir.com/influxes?e3NvbHVjaW9uYXJpbyBEZSBRdWltaWNhIEFuYWxpdGljYSBTa29vZyBXZXN0IEhvbH0gNAe3N=costuming&ZG93bmxvYWR8WkszT1dSblpIeDhNVFkxTlRNek9Ua3dOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&formononetin=gurnsey PDF link annotation

  • https://sportweb.club/wp-content/uploads/2022/06/derasco.pdfIn PDF document text
  • https://arseducation.com/download-updated-siyasah-syariah-ibnu-taimiyah-pdf/In PDF document text
  • http://awaazsachki.com/?p=34565In PDF document text
  • http://xn----8sbdbpdl8bjbfy0n.xn--p1ai/wp-content/uploads/2022/06/Danijel_Goleman_Socijalna_Inteligencija_Pdf_NEW.pdfIn PDF document text
  • https://www.portalvivienda.cl/wp-content/uploads/2022/06/Sketchup_Pro_2018_Crack_Free_BETTER_Download.pdfIn PDF document text
  • https://www.m-style.pl/yugioh-the-duelist-of-roses-para-pc-no-survey-no-password-no-download-better/In PDF document text
  • https://www.hermitmehr.at/wp-content/uploads/Download__Controle_Para_Loja_De_Informatica2008.pdfIn PDF document text
  • https://www.vakantiehuiswinkel.nl/amz-recorder-software-free-download/In PDF document text
  • https://shielded-anchorage-70849.herokuapp.com/valerei.pdfIn PDF document text
  • https://jimmyvermeulen.be/spinnerchief-4-ultimate-crack-smoking/In PDF document text
  • https://www.mypolithink.com/advert/kamal-kv-fmge-13-epub/In PDF document text
  • https://limage.biz/etka-73-hardlock-hot-crack-fix/In PDF document text
  • http://uggla.academy/elearn/blog/index.php?entryid=1165In PDF document text
  • https://question2answers.com/wp-content/uploads/2022/06/Best_Seat_in_the_House_Your_Backstage_Pass_Through_My_WWE_Jo.pdfIn PDF document text
  • https://www.cryptoaccountants.tax/wp-content/uploads/2022/06/manrawi.pdfIn PDF document text
  • https://shielded-gorge-28366.herokuapp.com/Rfactor_Crack_1_255_Download_Gam.pdfIn PDF document text
  • https://frippo.com/wp-content/uploads/2022/06/Varma_Kalai_Techniques_Pdf_12.pdfIn PDF document text
  • http://touchdownhotels.com/x-pert-highscore-plus-download-92/In PDF document text
  • https://www.verenigingvalouwe.nl/advert/hd-online-player-bana-masal-anlatma-720p-izlegolkes-_verified_/In PDF document text
  • https://iyihabergazetesi.org/wp-content/uploads/2022/06/naljdori.pdfIn PDF document text
  • https://question2answers.com/wp-In PDF document text
  • http://evacdir.com/influxes?e3nvbhvjaw9uyxjpbybezsbrdwltawnhiefuywxpdgljysbta29vzybxzxn0iehvbh0gnae3n=costuming&zg93bmxvywr8wkszt1dsblpiedhnvfkxtlrnek9ua3doshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&formononetin=gurnseyIn PDF document text
  • https://jimmyvermeulen.be/spinnerchief-4-ultimate-crackIn 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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