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://evacdir.com/ZG93bmxvYWR8ZncyWWpKMWVYeDhNVFkxTkRrNE9URTJNbng4TWpVNE4zeDhLRTBwSUVobGNtOXJkU0JiUm1GemRDQkhSVTVk/colonoscopy/personhood/endoscopic.bohemian?&VE1OVCAyMDA3IE9ubHkgQ3JhY2sgU0tZRkxBVCBQQyBHYW1lIGZpdGdpcmwgcmVwYWNrVE1= PDF link annotation

  • https://bizzbless.com/wp-content/uploads/2022/06/Windows_7_Loader_V169_x86x64__By_Daz_RH_Download_Pc.pdfIn PDF document text
  • http://www.healistico.com/yugioh-pc-game-offline-free-downloadl-exclusive/In PDF document text
  • https://damariuslovezanime.com/wp-content/uploads/2022/06/Maya_2019_crack_xforce_32.pdfIn PDF document text
  • http://rydbergaren.se/wp-content/uploads/2022/06/Hum_Saath_Saath_Hain_movie_in_hindi_download_720p.pdfIn PDF document text
  • https://italytourexperience.com/wp-content/uploads/2022/06/RuSamsungTVCommunicator_V00130rar.pdfIn PDF document text
  • https://hissme.com/upload/files/2022/06/xxpRiQAG2ge1Lnb1xs22_12_a14ca83ad7b1008f52de76e5a4236293_file.pdfIn PDF document text
  • https://alaquairum.net/wp-content/uploads/2022/06/debojenn.pdfIn PDF document text
  • http://armina.bio/?p=21915In PDF document text
  • https://oceanofcourses.com/?p=8750In PDF document text
  • https://waoop.com/upload/files/2022/06/i3oKTvFjw2q81uGflwfU_12_a14ca83ad7b1008f52de76e5a4236293_file.pdfIn PDF document text
  • http://bestoffers-online.com/?p=17590In PDF document text
  • http://www.caribbeanequipmenttraders.com/wp-content/uploads/2022/06/taklyt.pdfIn PDF document text
  • https://www.iltossicoindipendente.it/2022/06/12/serious-sam-unable-to-load-metadll-dll/In PDF document text
  • http://r-posts.com/wp-content/uploads/2022/06/Soundpimp_16_Crack_TOPepub.pdfIn PDF document text
  • http://www.bayislistings.com/full-mixmeister-fusion-v7-4-4-0-portableandstealth-full/In PDF document text
  • https://thenationalreporterng.com/cfd-2013-x-force-2013-x64-exe-iso/In PDF document text
  • https://www.15heures.com/vintage/p/75901In PDF document text
  • http://pearlhmmph.com/2022/06/gothic-2-solucja-noc-kruka-crack/In PDF document text
  • http://pepsistars.com/wp-content/uploads/2022/06/innber.pdfIn PDF document text
  • https://www.sosho.pk/upload/files/2022/06/MSWrX1ctjkDRmN6o99nL_12_a14ca83ad7b1008f52de76e5a4236293_file.pdfIn PDF document text
  • http://evacdir.com/zg93bmxvywr8zncywwpkmwvyedhnvfkxtkrrne9urtjnbng4twpvne4zedhlrtbwsuvobgntoxjku0jium1gemrdqkhsvtvk/colonoscopy/personhood/endoscopic.bohemian?&ve1ovcaymda3ie9ubhkgq3jhy2sgu0tzrkxbvcbqqybhyw1ligzpdgdpcmwgcmvwywnrve1=In 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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