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.
• 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.
• 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://evacdir.com/disneychannelstars/druggist/freel/ZG93bmxvYWR8Vmw2Y0dRMWMzeDhNVFkxTkRrNE9URTJNbng4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.mcmanus?infineon=aW50ZXJhcHAgY29udHJvbCAzLjMxIHNlcmlhbAaW5.margins PDF link annotation

  • https://www.hony.nl/wp-content/uploads/meegabyg.pdfIn PDF document text
  • https://www.thegarnichedirectory.com/wp-content/uploads/2022/06/KMPlayer_EN_300144209212011exe_Setup_Free.pdfIn PDF document text
  • https://burewalaclassified.com/advert/tangledmoviefreedownloadwithenglishsubtitles/In PDF document text
  • http://kramart.com/play-with-graphs-arihant-pdf-free-fixed-download/In PDF document text
  • https://thetalkingclouds.com/2022/06/13/manycam-pro-3-1-59-4123-incl-medicine-7t-serial-key/In PDF document text
  • https://telegastro.net/wp-content/uploads/2022/06/Jan_Dara_The_Finale_2013_Uncut_72041.pdfIn PDF document text
  • https://kansabook.com/upload/files/2022/06/wYj82FZPGMG672wa5tVA_12_dd53b61ff414facc8af073093f27926c_file.pdfIn PDF document text
  • https://jacksonmoe.com/wp-content/uploads/2022/06/Download_Do_Wilcom_Embroidery_Studio.pdfIn PDF document text
  • http://thanhphocanho.com/?p=49905In PDF document text
  • https://accountcreate.net/?p=65775In PDF document text
  • https://careersguruji.com/autoclosets-lt-5-0-full-73-hot/In PDF document text
  • https://colonialrpc.com/advert/waves-l2-ultramaximizer-download-free/In PDF document text
  • https://eqcompu.com/2022/06/12/cinema-4d-r21-115-crack-with-serial-number-mac-windows-2/In PDF document text
  • https://365-ads.com/wp-content/uploads/2022/06/Kovai_Kalaimagal_Astro_Software_With_HOT_Crack.pdfIn PDF document text
  • http://aassaa.ir/autocad-mechanical-2005-32-bit-crack-torrent-download-link/In PDF document text
  • https://ezeizanoticias.com.ar/advert/native-instruments-guitar-rig-7-pro-v6-1-1-unlocked-r2r-64-bit-exclusive/In PDF document text
  • https://blankbookingagency.com/?p=259883In PDF document text
  • https://visitfrance.travel/wp-content/uploads/2022/06/Visual_Studio_2017_Crack_ISO_with_Product_Key_Download.pdfIn PDF document text
  • http://www.brickandmortarmi.com/hitfilm-pro-14-crack-activation-code-full/In PDF document text
  • https://b-labafrica.net/old-tamil-karaoke-songs-free-link-download-mp3-30/In PDF document text
  • http://evacdir.com/disneychannelstars/druggist/freel/zg93bmxvywr8vmw2y0drmwmzedhnvfkxtkrrne9urtjnbng4twpvm05iedhlrtbwsuhkbflxuxrzbxh2wnlcyljtrnpkq0jiulu1za.mcmanus?infineon=aw50zxjhchagy29udhjvbcazljmxihnlcmlhbaaw5.marginsIn 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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