Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://findthisall.com/UGhvdG9zaG9wIENDIDIwMTUgdmVyc2lvbiAxNwUGh?acetylgalactosamine=cattery/ZG93bmxvYWR8eVoxT0dScmZId3hOalUyTmpBME1qYzBmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/macau/seaweeds/rightfielder PDF link annotation

  • https://alumni.armtischool.com/upload/files/2022/06/Tzpl4L1m1eddpl8uPmKt_30_094e94f24555ef158624fb049445afb8_file.pdfIn PDF document text
  • https://kireeste.com/photoshop-2021-version-22-keygen-crack-setup-free-license-key-win-mac/In PDF document text
  • https://designfils.eba.gov.tr/blog/index.php?entryid=82228In PDF document text
  • https://baseheadinc.com/wp-content/uploads/2022/06/redelin.pdfIn PDF document text
  • https://swapandsell.net/2022/06/30/photoshop-2022-version-23-0-hack-patch-registration-code-free-mac-win/In PDF document text
  • https://www.academiama.cl/aulavirtual/blog/index.php?entryid=2656In PDF document text
  • https://gf-tunenoe.dk/wp-content/uploads/2022/06/Photoshop_2022_Version_2301_Crack_With_Serial_Number___Free_X64_2022.pdfIn PDF document text
  • https://kramart.com/wp-content/uploads/2022/06/Adobe_Photoshop_2022_Version_2301.pdfIn PDF document text
  • http://www.fuchsia.moscow/adobe-photoshop-cc-2018-version-19-hacked-download-mac-win-latest-128226/In PDF document text
  • https://82nd.gg/wp-content/uploads/2022/06/Adobe_Photoshop_CC_2015_version_17.pdfIn PDF document text
  • http://patsprose.com/wp-content/uploads/2022/06/catquy.pdfIn PDF document text
  • https://recycledsigns.com/advert/photoshop-2021-version-22-4-3-crack-keygen-with-serial-number-download-x64/In PDF document text
  • https://cdn.geeb.xyz/upload/files/2022/06/1Co8ZUeScYOUhrkpprG3_30_256705bc4f2ebf3baa491e79bc888253_file.pdfIn PDF document text
  • https://celticminkjewelry.com/adobe-photoshop-cc-2019-version-20-activation-license-code-keygen-2/In PDF document text
  • https://www.taigabuilding.com/sites/default/files/webform/resume/photoshop-cc-2019-version-20.pdfIn PDF document text
  • https://virtual.cecafiedu.com/blog/index.php?entryid=3291In PDF document text
  • https://www.brookfieldct.gov/sites/g/files/vyhlif341/f/styles/news_image_teaser/public/news/liz_monahan.pdfIn PDF document text
  • https://www.artec3d.com/de/system/files/webform/business_development/adobe-photoshop-2022-version-230.pdfIn PDF document text
  • https://coopdespensasolidaria.com/photoshop-2021-version-22-1-1-free-download-for-pc/In PDF document text
  • https://comecongracia.com/ollas-miniatura/adobe-photoshop-2021-version-22-4-1-with-serial-key-mac-win/In PDF document text
  • http://findthisall.com/ughvdg9zag9wiendidiwmtugdmvyc2lvbiaxnwugh?acetylgalactosamine=cattery/zg93bmxvywr8evoxt0dscmzid3hoaluytmpbme1qyzbmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/macau/seaweeds/rightfielderIn PDF document text
  • http://findthisall.com/UGhvdG9zaG9wIENDIDIwMTUgdmVyc2lvbiAxNwUGh?acetylgalactosamine�ttery/ZG93bmxvYWR8eVoxT0dScmZId3hOalUyTmpBME1qYzBmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/macau/seaweeds/rightfielderIn 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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