Malicious PDF — malware analysis report

Heuristics 7

• 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://seachtop.com/beguiling.YW52aWwgc3R1ZGlvIGNyYWNrIHNlcmlhbCAxMgYW5/donated/hitchhiker/ZG93bmxvYWR8T2g0TVRObFpYUjhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/vertigo=ingot PDF link annotation

  • https://kulturbon.de/wp-content/uploads/2022/09/fingven.pdfIn PDF document text
  • https://www.shankari.net/2022/09/12/leica-cyclone-8-1-crack-15-__full__/In PDF document text
  • https://www.luckyanimals.it/full-__hot__-utw-amagami-ss-1-26-bdh264-1080p-flac/In PDF document text
  • http://modiransanjesh.ir/activation-key-matlab-r2010a-1010-30/In PDF document text
  • http://geniyarts.de/?p=75533In PDF document text
  • https://3net.rs/wp-content/uploads/2022/09/Terjemahankitabarruhpdffree_TOP.pdfIn PDF document text
  • https://rednails.store/mc__link__-cracken-protesis-parcial-removible-11-edicion-pdf/In PDF document text
  • https://www.bywegener.dk/wp-content/uploads/2022/09/iroqfil.pdfIn PDF document text
  • https://alumbramkt.com/liebherr-r-9150-pdf-updated-download/In PDF document text
  • https://dornwell.pl/wp-content/uploads/2022/09/Nemacki_Za_Pocetnike_Knjiga_Pdf_Free_REPACK.pdfIn PDF document text
  • https://mevoydecasa.es/cultural-anthropology-a-problem-based-approach-robbins-pdf/In PDF document text
  • https://www.krediciler.com/wp-content/uploads/2022/09/Sap_Ewm_120_Pdf_Download_BETTER.pdfIn PDF document text
  • https://alocallist.com/wp-content/uploads/2022/09/adinnar.pdfIn PDF document text
  • http://antiquesanddecor.org/?p=69827In PDF document text
  • https://shalamonduke.com/estim-mp3-files/In PDF document text
  • http://wavecrea.com/?p=29225In PDF document text
  • https://companionshipdirectory.com/advert/motu-bpm-1-5-torrent-20/In PDF document text
  • https://ak-asyl-mgh.de/advert/video-rai-replay-scaricare-torrent/In PDF document text
  • http://dmmc-usa.com/?p=39593In PDF document text
  • https://nucleodenegocios.com/patch-sap2000-v7-42-64-bit/In PDF document text
  • https://dornwell.pl/wp-In PDF document text
  • https://www.krediciler.com/wp-In PDF document text
  • http://seachtop.com/beguiling.yw52awwgc3r1zglvignyywnrihnlcmlhbcaxmgyw5/donated/hitchhiker/zg93bmxvywr8t2g0tvrobfpyujhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/vertigo=ingotIn 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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