Malicious PDF — malware analysis report

Heuristics 6

• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://esecuritys.com/astrophysicists.dropshipper?&overused=strain&ZG93bmxvYWR8UEQ3TVRKNFpIbDhmREUyTmpVM016TTROREY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=panwar&stretchers=Q2QgbG9zIG51bWVyb3MgMSBkZSBsb3MgNDAgcHJpbmNpcGFsZXMgMjAxMiBkZXNjYXJnYXIgdG9ycmVudAQ2Q PDF link annotation

  • https://schweigert.ninja/wp-content/uploads/2022/10/wilshau.pdfIn PDF document text
  • https://aliffer.com/wp-content/uploads/2022/10/SpiderMan_Homecoming_English_In_Hindi_720p_Download.pdfIn PDF document text
  • https://earthoceanandairtravel.com/2022/10/16/musiclab-reallpc-v3-0-1-r2r-deepstatus-keygen-best/In PDF document text
  • http://kerrybusinessonline.com/wp-content/uploads/2022/10/aleafay.pdfIn PDF document text
  • https://www.inge-cultura.org/wp-content/uploads/2022/10/Minority_Report_Download_720p_Torrents_High_Quality.pdfIn PDF document text
  • https://ebs.co.zw/advert/sqlplsqlprogramminglanguageoracleivanbayrosspdffreedownload-_hot_/In PDF document text
  • https://www.2tmstudios.com/driver-acasis-fa05us-usb-device-for-windows-10-64bit/In PDF document text
  • https://madeinamericabest.com/screenpresso-pro-1-7-10-0-with-activation-key-__top__/In PDF document text
  • http://www.fermactelecomunicaciones.com/?p=18295In PDF document text
  • https://donin.com.br/advert/smart-pix-manager-v8-05-crack-upd/In PDF document text
  • https://aliffer.com/wp-In PDF document text
  • https://earthoceanandairtravel.com/2022/10/16/musiclab-reallpc-v3-0-1-r2r-deepstatus-keygen-In PDF document text
  • https://www.inge-cultura.org/wp-In PDF document text
  • http://esecuritys.com/astrophysicists.dropshipper?&overused=strain&zg93bmxvywr8ueq3tvrknfpibdhmreuytmpvm016ttrorey4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=panwar&stretchers=q2qgbg9zig51bwvyb3mgmsbkzsbsb3mgndagchjpbmnpcgfszxmgmjaxmibkzxnjyxjnyxigdg9ycmvudaq2qIn PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • http://rutracker.org/forum/viewtopic.php?t=4267859In PDF document text
  • http://rutracker.org/forum/viewtopic.php?t=3504258In 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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