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://evacdir.com/instilling.singin?carerres&celebratingsm=felines.Z3RhIHNhbiBhbmRyZWFzIGNkIGNyYWNrIHBjZ3R&ZG93bmxvYWR8Y3I5T0RoelpueDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=genipabu.irst PDF link annotation

  • https://stonerx.me/upload/files/2022/06/gDx6ZmqaHxRzsAgrToWs_12_9456bf3331c491481082185b73a3d4ac_file.pdfIn PDF document text
  • https://coletandovidas.org/wp-content/uploads/2022/06/Modernization_Of_Indian_Tradition_By_Yogendra_Singh_Pdf_22_BETTER.pdfIn PDF document text
  • http://findmallorca.com/crocodile-clips-crocodile-technology-v-606-607-update-keyg-crack/In PDF document text
  • https://jujitsu.pl/wp-content/uploads/2022/06/VagCan25rarfreedownload.pdfIn PDF document text
  • https://alquilerdedepartamentoslima.com/wp-content/uploads/2022/06/wisphi.pdfIn PDF document text
  • https://rmexpressglob.com/emulator-xbox-360-3-2-6-com-bios/In PDF document text
  • https://nisharma.com/tamilnadutextbookfontfree-verifieddownload/In PDF document text
  • https://meuconhecimentomeutesouro.com/download-hindi-movie-welcome-to-new-york-hd/In PDF document text
  • https://vinculaholdings.com/eep-train-simulator-mission-torrent-download-pack/In PDF document text
  • https://lots-a-stuff.com/wp-content/uploads/2022/06/AdobeAcrobatXIPro12020FINALCrackkeygen_TOP.pdfIn PDF document text
  • http://nuihoney.com/wondershare-video-converter-uniconverter-11-7-1-3-work-crack/In PDF document text
  • https://www.vsv7.com/upload/files/2022/06/aGxawU6ytcDvi2gcLQ8f_12_be2fc04eb6c1ce7aaeac380b92f412de_file.pdfIn PDF document text
  • https://www.herbariovaa.org/checklists/checklist.php?clid=42606In PDF document text
  • https://xiricompany.com/best-full-realtek-high-definition-audio-2-17-windows-vista-7-32-64-bit/In PDF document text
  • https://yasutabi.info/wp-content/uploads/2022/06/Rc7_Roblox_Exploit_Cracked_Feetgolkesl_LINK.pdfIn PDF document text
  • https://www.vsv7.com/upload/files/2022/06/5OLoOzcL6JqFhBmJMyec_12_9456bf3331c491481082185b73a3d4ac_file.pdfIn PDF document text
  • https://boucanier.ca/wp-content/uploads/2022/06/Boardwalk_Empire_Season_1_Complete_720p_82.pdfIn PDF document text
  • https://vape87.ru/advert/essentialbulatscambridgetorrent-cracked/In PDF document text
  • https://www.corsisj2000.it/kmspico-12-2-9-final-portable-office-and-windows-10-activator/In PDF document text
  • https://sarfatit.com/wp-content/uploads/2022/06/FSX_OEJN_Jeddah_King_Abdul_Aziz_Airport_By_BDO_Aviation_Hack_Online_BETTER.pdfIn PDF document text
  • http://evacdir.com/instilling.singin?carerres&celebratingsm=felines.z3rhihnhbibhbmryzwfzignkignyywnrihbjz3r&zg93bmxvywr8y3i5t0roelpuedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=genipabu.irstIn 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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