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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/ZG93bmxvYWR8ZGg0TTNvMGZId3hOalUxTXpNMU1UZ3hmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/hitz/allege/despot.determines.bGlua2luIHBhcmsgcm9hZHMgdW50cmF2ZWxlZCBtcDMgMzIwa2JwcyBkb3dubG9hZAbGl PDF link annotation

  • https://baukultur.plus/wp-content/uploads/2022/06/freypar.pdfIn PDF document text
  • https://corporateegg.com/spidermanedgeoftimepcgamehighlycompressedmediafire/In PDF document text
  • https://rajasthantilecontractors.com/wp-content/uploads/2022/06/verhol.pdfIn PDF document text
  • https://www.smallblackowned.com/wp-content/uploads/2022/06/Descargar_Amtlib_Dll_Para_Dreamweaver_Cc.pdfIn PDF document text
  • http://bankekhodro.com/qazwsx123456/uploads/2022/06/Adobe_Photoshop_Lightroom_Classic_CC_2018_91212_86x64x32_rar.pdfIn PDF document text
  • https://iippltd.com/wp-content/uploads/2022/06/State_Of_War_Warmonger_Nocd_Crack_16_absolute_militar_person.pdfIn PDF document text
  • https://cancuntoursbook.com/wp-content/uploads/2022/06/warrwil.pdfIn PDF document text
  • https://homeimproveinc.com/daler-khoje-asterix-pdf-15/In PDF document text
  • http://www.chandabags.com/hd-online-player-ghazi-attack-movie-hindi-dubbed/In PDF document text
  • http://dichvuhoicuoi.com/vauxcheck-serial-keygen-link-rar/In PDF document text
  • https://moulderp.it/wondershare-dr-fone-10-3-1-crack-registration-code-with-keygen-2020-android-ios/In PDF document text
  • http://www.male-blog.com/wp-content/uploads/2022/06/rafsac.pdfIn PDF document text
  • http://stashglobalent.com/?p=30123In PDF document text
  • https://www.2tmstudios.com/solucionario-programacion-lineal-bazaraa-12/In PDF document text
  • https://eqcompu.com/2022/06/15/heaven-s-grave-free-download-_verified_-pc-game/In PDF document text
  • https://www.aveke.fr/wp-content/uploads/2022/06/ELVIS_PRESLEY__elvis_presley__1964__kissin_cousins__xvid_avi.pdfIn PDF document text
  • http://www.studiofratini.com/morphology-francis-katamba-free-download-4shared-zip-upd/In PDF document text
  • https://customaffiliations.com/wp-content/uploads/2022/06/Chemstations_CHEMCAD_6143059_Crack_serial_keygen.pdfIn PDF document text
  • https://mrczstore.com/wp-content/uploads/2022/06/garullr.pdfIn PDF document text
  • https://autorek.no/wp-content/uploads/2022/06/Crystal_Cs4280cm_Driver_REPACK_Download_Win7_64bit.pdfIn PDF document text
  • http://bankekhodro.com/qazwsx123456/uploads/2022/06/Adobe_Photoshop_Lightroom_Classic_CC_2018_91212_86x64x32_rIn PDF document text
  • http://evacdir.com/zg93bmxvywr8zgg0ttnvmgzid3hoaluxtxpnmu1uz3hmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/hitz/allege/despot.determines.bglua2luihbhcmsgcm9hzhmgdw50cmf2zwxlzcbtcdmgmziwa2jwcybkb3dubg9hzabglIn 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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