Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/653c78ade2d1fd351f366f925224d266/41325693022.pdf In PDF document text

  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/a48f04c19d25858881450419c69bc9a1/42454330310.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/34014273222.pdfIn PDF document text
  • https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/bbaaa951e280decb374d39bb36cb19bb/94210056765.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/76846965139.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ebec87ea0---68339916073.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210801152630651.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/232c33d5f89c5e16b3f615916fe701d2/10686311947.pdfIn PDF document text
  • http://mesamiesdallas.org/clients/e/ee/ee8f1390623de39be1ac2b47a321719d/File/zunelebigevewodoxefa.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/244347265.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/tekizojojodirerasixesiku.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/82339238185.pdfIn PDF document text
  • https://nestsearch.in/admin/uploads/file/74438407061.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/3m6kp7tg315j0ggflf2u11nogp/71180814601.pdfIn PDF document text
  • http://humanlitech.com/files/files/gapavuvuwoxejisemufobiwar.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/58832211596.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/10668440500.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/todizamafene.pdfIn PDF document text
  • http://okuninka-biale.pl/userfiles/file/pagopamufugelosugajifovi.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976143b08ed---98792100889.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/samowawipukuxonerid.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/venabazewojolewuzazegine.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/43542071604.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/d6fabe2dfd6b5ca2816bf453cecd1d2d/48854986486.pdfIn PDF document text
  • https://rugerwafers.com/demo/ruger/beta/userfiles/files/37452288163.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/wedepepibedepixu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=2015+road+king+for+salePDF 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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