Malicious PDF — malware analysis report

Heuristics 10

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://dawnloadonline.com/belie.estore?macy..&firehouse=nozzles&ZG93bmxvYWR8S2YxZUhrM2ZId3hOalUyTnpjeE9ERTRmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ=RVNFVCBOT0QzMiBBbnRpdmlydXMgNC4wLjMxNCBGVUxMIExpY2VuY2lhIEhhc3RhIDIwNTAgRG93bmxvYWQRVN PDF link annotation

  • https://pascanastudio.com/3dmgame-omsi-2-cracked-3dm-__exclusive__/In PDF document text
  • https://bjjfrequentlyaskedquestions.com/wp-content/uploads/2022/07/Chelebela_Rabindranath_Tagore_Pdf_Download_FULL.pdfIn PDF document text
  • http://www.landtitle.info/gn-berman-solutions-pdf-download-verified/In PDF document text
  • https://www.charitygolftournamentteesigns.com/wp-content/uploads/2022/07/signcut_pro_crackrar.pdfIn PDF document text
  • https://chatinzone.com/upload/files/2022/07/QjrT9DyO2z9CGCpUcGze_02_45c506fed5e83d595e63183ca06cc06b_file.pdfIn PDF document text
  • https://cefcredit.com/fluidsim-45-crack-top/In PDF document text
  • https://richard-wagner-werkstatt.com/2022/07/02/ghazwa-e-khandaq-in-urdu-pdf-63-link/In PDF document text
  • http://sourceofhealth.net/wp-content/uploads/2022/07/x_pert_highscore_windows_7.pdfIn PDF document text
  • https://newzspy.com/rekordbox-5-5-0-crack-2019-2021/In PDF document text
  • https://www.cameraitacina.com/en/system/files/webform/feedback/karvyg927.pdfIn PDF document text
  • https://roofingbizuniversity.com/wp-content/uploads/2022/07/Thottu_Kadai_Orathile_Mp3_Song_Free__Temp_INSTALL.pdfIn PDF document text
  • https://jbmparish.com/photo-galleries/hack-adobe-acrobat-xi-pro-11-0-23-pre-cracked-crackzsoft-hotIn PDF document text
  • https://cdn.vansfans.cn/img/2022/07/HACK_Acronis_Disk_Director_Suite_102160_eNJoYiT.pdfIn PDF document text
  • https://influencerstech.com/upload/files/2022/07/aoA4H45tFpCQqwV5Usm8_02_45c506fed5e83d595e63183ca06cc06b_file.pdfIn PDF document text
  • https://coopdespensasolidaria.com/screencast-2011-6-2-final-x86-x64-x32-keygen-32-bit-exclusive/In PDF document text
  • https://socialstudentb.s3.amazonaws.com/upload/files/2022/07/lUe4cXVXGFghQoP7QRAw_02_45c506fed5e83d595e63183ca06cc06b_file.pdfIn PDF document text
  • http://www.giffa.ru/who/prezi-torrent/In PDF document text
  • https://stinger-live.s3.amazonaws.com/upload/files/2022/07/ZAur4bjcCuGKIYYjjKAx_02_eeb334d0f426d6a2cc83b5bac4b8f447_file.pdfIn PDF document text
  • http://sturgeonlakedev.ca/wp-content/uploads/2022/07/Traktor_Pro_3_v321_Incl_Patched_and_KeygenR2R.pdfIn PDF document text
  • https://maltymart.com/advert/cream-lemon-escalation-die-liebe/In PDF document text
  • http://dawnloadonline.com/belie.estore?macy..&firehouse=nozzles&zg93bmxvywr8s2yxzuhrm2zid3hoaluytnpjee9ertrmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq=rvnfvcbot0qzmibbbnrpdmlydxmgnc4wljmxncbgvuxmiexpy2vuy2lhiehhc3rhidiwntagrg93bmxvywqrvnIn 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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