Malicious PDF — malware analysis report

Heuristics 6

• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://garglob.ru/uplcv?utm_term=all+korok+seed+locations+interactive+map PDF link annotation

  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c5a6cd143---lafuxonejivivezexosemobin.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/c47cb84b082eb0956875cc5904e2e131/bukenurasibaluramifav.pdfIn PDF document text
  • http://cpils.com/userfiles/file/66803121529.pdfIn PDF document text
  • http://thewellmanteam.com/userfiles/files/gevameradowumu.pdfIn PDF document text
  • https://farmstead.tw/farmstead/upload/files/repotodizekizozimawi.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/iegenev096ocsr61fo1fkv46e6/10791688814.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/gidipufepuwikus.pdfIn PDF document text
  • http://southwest62.com/clients/6/66/666176aa584decdbf8d0f1e9213c5ee1/File/50071542327.pdfIn PDF document text
  • http://abnicum.ru/files/file/xizotufamatik.pdfIn PDF document text
  • https://cherrychile.cl/cherry/uploads/contenido/files/85805040662.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/18799686129.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/1a5un19c20o1vlhnnscvp54i8u/ninovapejixojuxodume.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/76454238058.pdfIn PDF document text
  • https://automatisme-portail-bordazzi.fr/fichiers/watigemeviligid.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/je3gk4k00qn75lqulto83o95v1/19427746369.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/66533404115.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/bc7j7iqbo241g0jm66fs2b9uif/tovizawetasalixofukuza.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/gotilowemomixaregurik.pdfIn PDF document text
  • https://pcetravel.com/files/file/dipukufawadu.pdfIn PDF document text
  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/futusuwameravikawavene.pdfIn PDF document text
  • http://carlaschroyen.com/content_docs/nanikineruwewevobumuraka.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/7f004a0a6eb3dcb4751d6e73e0651c85/31491137115.pdfIn PDF document text
  • http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.pngIn PDF document text
  • http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.pngIn 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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