Malicious PDF — malware analysis report

Heuristics 10

• 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.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• 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/chrome/ZG93bmxvYWR8T3o5Y1RsaGEzeDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/faiza/RWsgVGhhIFRpZ2VyIEZ1bGwgTW92aWUgRG93bmxvYWQgSW4gNzIwcARWs.suburban?asenski= PDF link annotation

  • https://kiubou.com/upload/files/2022/06/kH2GmKNNy32qOSnRdcQv_12_358af178a668e8959a0008e197adbb9b_file.pdfIn PDF document text
  • https://www.xn--gber-0ra.com/upload/files/2022/06/w6wReiZofZew3BdLq24Z_12_f09b577ff3b3f65860fa317c4851f974_file.pdfIn PDF document text
  • https://www.cbdxpress.de/wp-content/uploads/idecad_statik_7_crack_indir.pdfIn PDF document text
  • https://www.la-pam.nl/canon-ir2016-firmware/In PDF document text
  • https://transitdamagerepairs.com/wp-content/uploads/2022/06/Mountandbladewarbandaimbot138.pdfIn PDF document text
  • https://radiaki.com/?p=3253In PDF document text
  • http://pi-brands.com/wp-content/uploads/2022/06/AnyTrans_703_Crack.pdfIn PDF document text
  • https://www.hajjproperties.com/advert/mashinky-crack-download-for-windows-10/In PDF document text
  • https://www.cbdxpress.eu/wp-content/uploads/Fukrey_Returns_Full_Movie_Download_In_Hindi_1080p.pdfIn PDF document text
  • http://parnelleducation.com/wp-content/uploads/2022/06/nyaldar.pdfIn PDF document text
  • https://sarahebott.org/wp-content/uploads/2022/06/blorebe.pdfIn PDF document text
  • https://shoppibear.com/wp-content/uploads/2022/06/Athlean_Xero_Torrent.pdfIn PDF document text
  • http://el-com.org/wp-content/uploads/2022/06/glyhal.pdfIn PDF document text
  • https://harneys.blog/wp-content/uploads/2022/06/halrena.pdfIn PDF document text
  • https://automarkt.click/wp-content/uploads/2022/06/ab_bulk_mailer_80_crack.pdfIn PDF document text
  • https://roundabout-uk.com/cdm20814-setup-exe-download-fixeder/In PDF document text
  • http://masterarena-league.com/wp-content/uploads/2022/06/saudagar_1973_3gp_movie_free_download.pdfIn PDF document text
  • https://kiwystore.com/wp-content/uploads/2022/06/garrmar.pdfIn PDF document text
  • http://www.nextjowl.com/upload/files/2022/06/55ywRt7DJt52CDqr7zIc_12_f09b577ff3b3f65860fa317c4851f974_file.pdfIn PDF document text
  • https://cdn.lyv.style/wp-content/uploads/2022/06/12224944/Arcsoft_Portrait_Plus_30066_243.pdfIn PDF document text
  • http://evacdir.com/chrome/zg93bmxvywr8t3o5y1rsagezedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/faiza/rwsgvghhifrpz2vyiez1bgwgtw92awugrg93bmxvywqgsw4gnziwcarws.suburban?asenski=In PDF document text
  • http://pi-brands.com/wp-content/uploads/2022/06/anytrans_703_crack.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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