Malicious PDF — malware analysis report

Heuristics 7

• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://lahma.pl/_u/userfiles/file/71673164958.pdf In PDF document text

  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1606f073a30cd5---79209824711.pdfPDF link annotation
  • http://aaaexpressac.com/userfiles/file/ranexulaj.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/06f83cdc1aef6954054517e408bc69b5/1884536199.pdfIn PDF document text
  • http://tablica-nieruchomosci.pl/uploades/fckeditorfile/13726525425.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/3898boetkjf0cda14e9g7f2i77/15059395117.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/buxujas.pdfIn PDF document text
  • http://hanleyresources.com/images/1571450072.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/2530458694.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/56082317084.pdfIn PDF document text
  • https://0286869143.com/editor_images/files/rovawuzobifevovux.pdfIn PDF document text
  • http://coffee33.ru/archive/file/pifulumigugaripizemadi.pdfIn PDF document text
  • http://careerdynamic.com/clients/3/3d/3d9dba0a3645e5854abf1db7654b9c86/File/96944626083.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608153b8d14dc---86113905181.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/fe957bdc6783da1e707009e9d305e44f/wiwasuxanisefote.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/5054bc5c1b2017c14c5e224009f65e93/58570120168.pdfIn PDF document text
  • http://zekidilektekstil.com/images_upload/files/78612843353.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109809cba0a4---somefokubitosebozexasodil.pdfIn PDF document text
  • http://tndgdemo2.com/ckfinder/userfiles/files/pegipirizago.pdfIn PDF document text
  • http://canevinclassof70.com/clients/6/6b/6b8b8ee0d314e59372afbcb75100d768/File/81612302343.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/rinesaxitixog.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/24193073170.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/bisigazu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=beretta+87+cheetah+owners+manualPDF 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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