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.
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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.
• 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/cording/enlivens/undernourished/ZG93bmxvYWR8UDVwYlRWb2NIeDhNVFkxT1RJeE1qWTRObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&kossler/kristine&cavalli/RGFsZG9zRGF.redeems PDF link annotation

  • https://classig.net/blog/index.php?entryid=4032In PDF document text
  • http://xn----btbbblceagw8cecbb8bl.xn--p1ai/the-lions-song-episode-1-silence-crack-exe-file/In PDF document text
  • https://parleafrique.com/wp-content/uploads/2022/07/wilmaur.pdfIn PDF document text
  • http://marqueconstructions.com/2022/07/30/hearts-of-iron-iv-expansion-subscription-crack-serial-number-registration-code/In PDF document text
  • http://noverfood.com/wp-content/uploads/2022/07/quensib.pdfIn PDF document text
  • https://sc-designgroup.com/wp-content/uploads/2022/07/Palladium_Adventure_in_Greece.pdfIn PDF document text
  • https://donutsnearby.com/wp-content/uploads/2022/07/An_Interesting_Journey_Of_Monsieur_PAF_Download_Latest2022.pdfIn PDF document text
  • https://thecybersecurityplace.com/wp-content/uploads/2022/07/Lawless_Lands_Smoking_Sands_DLC_Keygen___April2022.pdfIn PDF document text
  • http://yourtripboy.com/?p=20204In PDF document text
  • https://lutce.ru/wp-content/uploads/2022/07/grimoire_groves.pdfIn PDF document text
  • https://providenceinhomecare.us/wp-content/uploads/2022/07/ALONE__VR_keygen_generator__Free_April2022.pdfIn PDF document text
  • https://hqpeptides.com/wp-content/uploads/2022/07/ninecact.pdfIn PDF document text
  • https://molenbeekshopping.be/wp-content/uploads/2022/07/Alices_Adventures__Hidden_Object_Wimmelbild.pdfIn PDF document text
  • http://NaturalhealingbyDoctor.com/?p=21234In PDF document text
  • http://xn----btbbblceagw8cecbb8bl.xn--p1ai/the-lions-song-episode-1-silence-crack-exe-In PDF document text
  • http://marqueconstructions.com/2022/07/30/hearts-of-iron-iv-expansion-subscription-In PDF document text
  • https://sc-designgroup.com/wp-In PDF document text
  • https://donutsnearby.com/wp-content/uploads/2022/07/An_Interesting_Journey_Of_MonsiIn PDF document text
  • https://thecybersecurityplace.com/wp-In PDF document text
  • https://providenceinhomecare.us/wp-In PDF document text
  • https://molenbeekshopping.be/wp-In PDF document text
  • http://findthisall.com/cording/enlivens/undernourished/zg93bmxvywr8udvwylrwb2niedhnvfkxt1rjee1qwtrobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&kossler/kristine&cavalli/rgfszg9zrgf.redeemsIn PDF document text
  • https://wakelet.com/wake/hwx_VFdTG987CFDke-rclIn 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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