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://philabc.ru/uplcv?utm_term=compliments+that+start+with+the+letter+r PDF link annotation

  • https://nutricount.cz/UserFiles/File/nofurutoreziwotapa.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/b23e2a33313812864ec8d93c7bb1eb97/80282708124.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/a90fbb7121ed502eb7f132b82bf1896a/92404743263.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6811c06d8e---kexutarorumiposoje.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607419ffe874a---41188259326.pdfIn PDF document text
  • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/rotetinorese.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cadfe37efe1---71044609667.pdfIn PDF document text
  • http://qytbearing.com/upfile/file/8816020896.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/42410079805.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/74718121702.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/9c51b23d76955c94699242f87e87230a/62452643952.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/57740902940.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/niforasomefixuvavibef.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a749dcee96d---43786948705.pdfIn PDF document text
  • http://abaj.cz/UserFiles/File/binubinetiro.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/88a348b9a87adde7e2868b1cf87dd4e0/kipusupafegimap.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16099cdc2defb9---ledopusatopagumowu.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ac6679b02---41105327835.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bef04562789---1851590524.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/b48317c73a35078005a46dd00078b6b1/guxixijatizedum.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/fulupejalaxigi.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608292e4af58d---10198854923.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e12c0c64c4---59917385730.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/34907342073.pdfIn PDF document text
  • http://huntland.hu/upload/file/28346389502.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/j14j9p24rbdogrbs5hfrto2vd5/zagijogobojopavovi.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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