Malicious PDF — malware analysis report

Heuristics 5

• 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://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/jcgbnnjsp5pf3l7505ssm1h0bi/48875783347.pdf In PDF document text

  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f638f3c7c8---2307870648.pdfIn PDF document text
  • https://techlan.pl/files/file/konesuvivolujasawawo.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/bosidivirilanirufitonake.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/440b02c0eb6385f5dd4eb06ad7f05081/23048756106.pdfIn PDF document text
  • http://bighost.vn/uploads/userfiles/file/95328566943.pdfIn PDF document text
  • https://polnische-zaune.de/userfiles/file/46433309007.pdfIn PDF document text
  • http://abwva.com/uploads/files/37663093023.pdfIn PDF document text
  • https://studiopros.com/userfiles/file/In PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/88c8a9e849c4d1a5bbbfcd03d30ee1b4/62161211150.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/9180552448.pdfIn PDF document text
  • https://portalbime.com/UploadedFiles/New/file/masadusolovetujosogozo.pdfIn PDF document text
  • http://mediedil.eu/userfiles/files/6177750319.pdfIn PDF document text
  • https://horacebatten.com/ckfinder/userfiles/files/zexujunija.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16075a9f09c427---nitegavaviwijewarepebiviz.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c6770ba46---kapubiri.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/df16ea593ca98e509cd1eef706879c00/59207251181.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/ogp70uliii3cjht0spr03ksp07/nonodi.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160beb38b0a593---wenejujidewaxitipor.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/8947965460.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/c68307064bacf894ded9d792b953373f/47873176361.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/3986569568.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30925437276.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/fitewagadezopanenumalo.pdfIn PDF document text
  • https://propertiproperty.com/Uploads/userfiles/files/zebedokubugoxib.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/68463172624.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+activate+copy+paste+in+pdfPDF link annotation
  • 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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