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://starsearchtool.com/balloons/Q29yZWxkcmF3IEdyYXBoaWNzIFN1aXRlIFg2IFNlcmlhbCBLZXkQ29/bankroll.refluxing.bleachers.forclosure/ZG93bmxvYWR8N1hETVc4emN6ZDhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/moans/unilaterally/ PDF link annotation

  • https://anyjobber.com/neal-n-nikki-720p-movie-52/In PDF document text
  • http://www.giffa.ru/internet-businessaffiliate-programs/ndai-na-gicandi-kikuyu-enigmas-pdf-portable/In PDF document text
  • https://melhoreslivros.online/wp-content/uploads/LoveAajKal2fullmoviedownloadhd720p.pdfIn PDF document text
  • https://provisionsfrei-immo.de/wp-content/uploads/2022/09/Keyextender399serialnumber_HOT.pdfIn PDF document text
  • https://p2p-tv.com/fti-forming-suite-2015-2062-x86-32/In PDF document text
  • https://cambodiaonlinemarket.com/wp-content/uploads/2022/09/alan_bryman_social_research_methods_torrent.pdfIn PDF document text
  • http://adhicitysentulbogor.com/?p=74501In PDF document text
  • https://teenmemorywall.com/lamb-of-god-killadelphia-torrent-download-work/In PDF document text
  • https://ig-link.com/the-terminator-sex-scene-new/In PDF document text
  • https://ibipti.com/drpu-bulk-sms-professional-7-0-1-3-repack-crack-free-79/In PDF document text
  • http://rodriguefouafou.com/?p=15685In PDF document text
  • https://breathelifebr.org/wp-content/uploads/2022/09/Resident_evil_4_ultimate_item_modifier_v100_313.pdfIn PDF document text
  • https://www.yildizbots.com/wp-content/uploads/2022/09/renidet.pdfIn PDF document text
  • https://womss.com/ufs-hwk-setup-latest-version-3-01-setup-free-portable-download/In PDF document text
  • https://shalamonduke.com/wp-content/uploads/2022/09/HD_Online_Player_Pandaga_Chesko_Full_Movie_Downloadin.pdfIn PDF document text
  • https://turn-key.consulting/2022/09/13/matlab-r2009a-license-file-crack-12-patched/In PDF document text
  • http://www.studiofratini.com/la-escuela-y-la-desigualdad-casassus-pdf-repack-download/In PDF document text
  • https://allindiaherb.com/sony-vegas-pro-9-0-build-563incl-keygen-utorrent-new/In PDF document text
  • https://cambodiaonlinemarket.com/wp-In PDF document text
  • https://breathelifebr.org/wp-In PDF document text
  • https://shalamonduke.com/wp-In PDF document text
  • http://starsearchtool.com/balloons/q29yzwxkcmf3iedyyxboawnzifn1axrlifg2ifnlcmlhbcblzxkq29/bankroll.refluxing.bleachers.forclosure/zg93bmxvywr8n1hetvc4emn6zdhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/moans/unilaterally/In PDF document text
  • https://sigs.interserver.net/blocked?ref=aiplgurugram.com/?p=45879In PDF document text
  • https://skilled-space.sfo2.digitaloceanspaces.com/2022/09/supsand.pdfIn 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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