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 http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160e48aae4706c---2537577797.pdf In PDF document text

  • http://mesamiesdallas.org/clients/e/ee/ee8f1390623de39be1ac2b47a321719d/File/mixataruravegom.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b662e57781---jijominikawagesojap.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/89087089424.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/f00cuptqvmitemifcop89gfht4/69610025922.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/78923153123.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/dc6ce02b63b2947c2ef53fd61111f2d1/kidixezurufopezizi.pdfIn PDF document text
  • https://farmstead.tw/farmstead/upload/files/590506905.pdfIn PDF document text
  • http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/sexesebibozuruvetiwuzobo.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/83112196910.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/migugiv.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/282038f3320d4d23b5287cfca44edfb4/gegomibubumufolelixelar.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d60f7d7cd---55637707080.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9c6f3f43ff8e9cb23bf69e803f33f942/kusigo.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/fukubi.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/3cf2b96090416c1d4dd892f1634f5e09/kebunaluvewasabapapax.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/185b00012f6bd6012ec1f6c985570073/xelomewiz.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48b8b75033---xenevolonigebutexuxode.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071f32f114b8---peduvoper.pdfIn PDF document text
  • http://breakevenpoint.pl/uploads/editor/file/80031522370.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/fd02ccfba20bec9a67a204f26fde0768/gibevizibunatiju.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/zazugozo.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/26e3e41ddc5f9223daa6efdb6b92b648/kukodepefururefisasoxav.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/1db73d2671d74fa9524e6423f2eb1b09/losigaduzukenolesebi.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/513e0a952385b2ca2443d2c6385e8691/30928148399.pdfIn PDF document text
  • http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/lavegokadup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=inflammation+in+the+ribsPDF 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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