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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://emailgoal.com/cheurs.VGhlIEdyZWF0IEdhdHNieSAzIEhpbmRpIER1YmJlZCBEb3dubG9hZCBJbiBUb3JyZW50VGh/definiteness/freakish/immortalize/ejection/?ZG93bmxvYWR8bXM4ZW1VellueDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=.leverkusen PDF link annotation

  • http://alumbramkt.com/?p=24970In PDF document text
  • http://lifes1.com/wp-content/uploads/2022/07/Tilawatil_Quran_Indonesia_Mp3_H_Maria_Ulfarar.pdfIn PDF document text
  • https://toserba-muslim.com/wp-content/uploads/2022/07/osyide.pdfIn PDF document text
  • https://www.cdnapolicity.it/wp-content/uploads/2022/07/sioins.pdfIn PDF document text
  • https://plainbusiness.net/wp-content/uploads/2022/07/kalowai.pdfIn PDF document text
  • https://duolife.academy/la-fonte-des-neiges-720p-13-password-galleria-di-top/In PDF document text
  • https://flyonedigital.com/wp-content/uploads/2022/07/Human_Resource_Leadership_for_Effective_Schools_5th_Edition_.pdfIn PDF document text
  • https://fagmann.no/wp-content/uploads/2022/07/Angry_Birds_6in1_123Special_V2_Full_BETTER_Version.pdfIn PDF document text
  • https://vitraya.io/wp-content/uploads/2022/07/Security_Monitor_Pro_601_Crack_Serial_Keygen_Full_Version.pdfIn PDF document text
  • https://shippingcasesnow.com/ejay-techno-2-rar/In PDF document text
  • https://xcconcepts.com/wp-content/uploads/2022/07/New_Mixw_219_HOT_Crack_Rapidshare.pdfIn PDF document text
  • https://hoperestoredministries.com/wp-content/uploads/2022/07/vayvol.pdfIn PDF document text
  • http://www.hacibektasdernegi.com/wp-content/uploads/Lernwerkstatt_8_Crack_Key_Avginstmank_EXCLUSIVE.pdfIn PDF document text
  • https://gembeltraveller.com/terjemahan-mukasyafatul-qulub-pdf-free-download/In PDF document text
  • https://nashvilleopportunity.com/metodologistudiislamabuddinnatapdfdownload-verified/In PDF document text
  • https://secretcs2020.com/wp-content/uploads/2022/07/Adobe_Photoshop_CS6_Patch_By_PainteRepub-2.pdfIn PDF document text
  • https://leidenalumni.id/wp-content/uploads/2022/07/Ghersi_Cemento_Armato_Pdf_54.pdfIn PDF document text
  • https://www.praxisforum-online.de/wp-content/uploads/2022/07/elyjor.pdfIn PDF document text
  • https://www.raven-guard.info/ycmou-nashik-tyba-solved-home-assignment-marathi-2/In PDF document text
  • https://tunneldeconversion.com/veyi-padagalu-book-pdf-download-high-quality/In PDF document text
  • http://lifes1.com/wp-In PDF document text
  • https://flyonedigital.com/wp-content/uploads/2022/07/Human_Resource_Leadership_for_EfIn PDF document text
  • https://fagmann.no/wp-In PDF document text
  • https://vitraya.io/wp-In PDF document text
  • https://xcconcepts.com/wp-In PDF document text
  • http://www.hacibektasdernegi.com/wp-In PDF document text
  • https://secretcs2020.com/wp-In PDF document text
  • http://emailgoal.com/cheurs.vghliedyzwf0iedhdhniesaziehpbmrpier1ymjlzcbeb3dubg9hzcbjbibub3jyzw50vgh/definiteness/freakish/immortalize/ejection/?zg93bmxvywr8bxm4zw1velluedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=.leverkusenIn PDF document text
  • http://www.hacibektasdernegi.com/wp-content/uploads/lernwerkstatt_8_crack_key_avginstmank_exclusive.pdfIn 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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