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/condiment/mess/aulaclty.U2FwcHN3b3JsZCBBcHBsaWNhdGlvbiBMYXVuY2hlcgU2F.slothful/ZG93bmxvYWR8eU0xTVRBemNueDhNVFkxTkRZME16TTFNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • http://bahargroup.ch/?p=3255In PDF document text
  • https://www.mycoportal.org/portal/checklists/checklist.php?clid=2288In PDF document text
  • http://i2.by/?p=3363In PDF document text
  • https://www.cbdexpress.nl/wp-content/uploads/Now_Playing_List__Crack__With_Serial_Key_Free_Download_For_PC.pdfIn PDF document text
  • https://question2answers.com/wp-content/uploads/2022/06/JMReader__Crack__LifeTime_Activation_Code.pdfIn PDF document text
  • https://hominginportland.com/simple-text-splitter-crack-pc-windows-updated/In PDF document text
  • http://vietditru.org/advert/regex-batch-replacer-crack-with-serial-key-3264bit-updated/In PDF document text
  • http://gomeztorrero.com/gryptonite-formerly-gpassword-manager-crack-with-license-code-free-download/In PDF document text
  • https://fraenkische-rezepte.com/wp-content/uploads/2022/06/WinSCP.pdfIn PDF document text
  • http://medlifecareer.com/wp-content/uploads/2022/06/Portable_OpenProdoc.pdfIn PDF document text
  • https://www.vialauretanasenese.it/getsusp-win-mac/In PDF document text
  • http://duhocnewworld.com/wp-content/uploads/2022/06/pleoka.pdfIn PDF document text
  • http://www.rathisteelindustries.com/simplesnap-crack-free-download-mac-win/In PDF document text
  • https://360.com.ng/upload/files/2022/06/bL4MiO2nNu5EowZ7PgZv_07_8c3c2fdc15169ad5bbcf03eeb75e8f0d_file.pdfIn PDF document text
  • https://tchatche.ci/upload/files/2022/06/yUh3DgsLuu9xE2e6LZ2l_07_06dd9f111d22e2591efd2f0ece8eee4a_file.pdfIn PDF document text
  • https://music-box.ie/wp-content/uploads/2022/06/anaida.pdfIn PDF document text
  • https://rodillosciclismo.com/noticias/powerchute-personal-edition-crack/In PDF document text
  • https://cch2.org/portal/checklists/checklist.php?clid=9600In PDF document text
  • https://pteridoportal.org/portal/checklists/checklist.php?clid=9235In PDF document text
  • https://www.cbdexpress.nl/wp-content/uploads/Now_Playing_List__Crack__With_Serial_In PDF document text
  • https://question2answers.com/wp-In PDF document text
  • http://gomeztorrero.com/gryptonite-formerly-gpassword-manager-crack-with-license-code-In PDF document text
  • https://360.com.ng/upload/files/2022/06/bL4MiO2nNu5EowZ7PgZv_07_8c3c2fdc15169aIn PDF document text
  • https://tchatche.ci/upload/files/2022/06/yUh3DgsLuu9xE2e6LZ2l_07_06dd9f111d22e259In PDF document text
  • http://evacdir.com/condiment/mess/aulaclty.u2fwchn3b3jszcbbchbsawnhdglvbibmyxvuy2hlcgu2f.slothful/zg93bmxvywr8eu0xtvrbemnuedhnvfkxtkrzme16ttfnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • https://worknugawisjackkon.wixsite.com/inorsurmu/post/portable-google-ad-blocker-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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