Malicious PDF — malware analysis report

Heuristics 6

• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://smidgel.ru/uplcv?utm_term=lost+treasure+of+the+emerald+eye+pdf PDF link annotation

  • http://marchmontnews.com/imgs/file/mavakuxalabapo.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-8/20210908100515195908.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16130c4e30e534---15227411223.pdfIn PDF document text
  • https://ozsersogutma.com/upload/files/97699014988.pdfIn PDF document text
  • http://ekorob.pl/userfiles/file/xaxaxudidazew.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/20ab46d35e229c67bdde329854248110/50150854570.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/88294665574.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/tebel.pdfIn PDF document text
  • http://www.motocams.cz/ckfinder/userfiles/files/bimeviwikutosaxemu.pdfIn PDF document text
  • http://teplolux72.ru/upload/file/rabifajezenilutawapaxotin.pdfIn PDF document text
  • http://seasonmediagroup.com/pic/file/8580461195.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/11f8d8eef8b0d196bfa5bbad9c13576e/18233847111.pdfIn PDF document text
  • http://euskararenginkana.eus/files/galeria/files/buwujedigobosubudugad.pdfIn PDF document text
  • http://podushka.by/files/files/sogafal.pdfIn PDF document text
  • http://landpas.pl/upload/file/jokibolutimobopi.pdfIn PDF document text
  • https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/57640676734.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130af96425f9---pigagu.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27962651422.pdfIn PDF document text
  • http://internet-trade.eu/UserFiles/file/84925710575.pdfIn PDF document text
  • https://doctorchina168.com/upload/files/rizovaku.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/pabejadezagudemuduw.pdfIn PDF document text
  • https://www.karelo.com/uploads/File/72286611920.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161394f280634c---gokalabarumijaf.pdfIn PDF document text
  • http://travel-door.com/userfiles/file/gitasisi.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/gabikazaziwe.pdfIn 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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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