Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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/broadband.contstriction?deserve=intends&ZG93bmxvYWR8dEgwTVROd1lYWjhmREUyTlRRNE9UTXhPVEY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=ZWFzZXVzIGRhdGEgcmVjb3Zlcnkgd2l6YXJkIDguNiBjcmFjawZWF&niggling=&snub=ieud PDF link annotation

  • http://dummydoodoo.com/2022/06/11/hetman-partition-recovery-22-keygen/In PDF document text
  • http://mapasconceptuales.online/?p=3151In PDF document text
  • https://entrelink.hk/interview/full-download-aplikasi-simda-versi-2-1/In PDF document text
  • https://www.olivegin.com/wp-content/uploads/2022/06/shouxavy.pdfIn PDF document text
  • https://www.lucistree.com/wp-content/uploads/2022/06/GstarCAD_2020_Crack_Keygen_Serial_Number_Full.pdfIn PDF document text
  • https://salty-sands-82590.herokuapp.com/nikweno.pdfIn PDF document text
  • https://radiant-ridge-68097.herokuapp.com/cebeals.pdfIn PDF document text
  • http://formeetsante.fr/sukdulan-2003-katya-santos-full-movie-target-senttig-personaggio/In PDF document text
  • https://hanffreunde-braunschweig.de/wp-content/uploads/2022/06/delaval-1.pdfIn PDF document text
  • https://sattology.org/wp-content/uploads/2022/06/sersalt.pdfIn PDF document text
  • https://dsdp.site/it/?p=9219In PDF document text
  • http://www.ecomsrl.it/wp-content/uploads/2022/06/hardayc.pdfIn PDF document text
  • https://maltymart.com/advert/magix-acid-music-studio-10-0-build-162-x86-x64-keygen-keygen-link/In PDF document text
  • https://salty-savannah-15857.herokuapp.com/olamar.pdfIn PDF document text
  • https://jgbrospaint.com/2022/06/11/express-digital-darkroom-9-1-cra/In PDF document text
  • https://www.repaintitalia.it/breaking-bad-season-2-720p-hdtv-x264-175-better/In PDF document text
  • https://anticonuovo.com/wp-content/uploads/2022/06/dmc_special_edition_no_cd_crack.pdfIn PDF document text
  • https://dishingpc.com/advert/autodesk-revit-architecture-2014-32-64bit-ita-torrent/In PDF document text
  • http://eventaka.com/?p=11079In PDF document text
  • http://homeprosinsulation.com/wp-content/uploads/2022/06/vray_for_revit_2015_free_download_with_crack.pdfIn PDF document text
  • https://www.lucistree.com/wp-In PDF document text
  • http://homeprosinsulation.com/wp-In PDF document text
  • http://evacdir.com/broadband.contstriction?deserve=intends&zg93bmxvywr8degwtvrod1lywjhmreuytlrrne9utxhpvey4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=zwfzzxvzigrhdgegcmvjb3zlcnkgd2l6yxjkidgunibjcmfjawzwf&niggling=&snub=ieudIn 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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