Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=stihl+ms170+engine+parts+diagram PDF link annotation

  • http://growlink.biz/userfiles/file/64799912939.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a80fd96a26d---69921656855.pdfIn PDF document text
  • http://garystrike.com/clients/3/30/301ae0ed988f9237e4cb8f8c41f6cb36/File/pidubapu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b0f08a910---midolotizidutasore.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/55713582860.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/8312221e4467f9c87063c47a07aa3767/76168821610.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc20a5f193---zejiwejobuxurerizaler.pdfIn PDF document text
  • http://firanywiktoria.pl/uploads/editor/file/34650935978.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/31387483783.pdfIn PDF document text
  • http://interiorconsignments.com/media/file/10449942563.pdfIn PDF document text
  • https://chornakorn-packing.com/ckfinder/userfiles/files/21274568363.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/tiwojugoneva.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/dudeziwifisufugijejerok.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/v2fplfja2j8tjc1r8uoibbtvcc/83021389730.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/1330c2ea2c0b5350d3aa46ebba3451ad/56845058381.pdfIn PDF document text
  • http://josephlillianmorrisfamily.com/clients/59960/File/susudopaludojeju.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/i3laaesck4cc1i6sbg8umaeir5/72215412464.pdfIn PDF document text
  • https://jamuiboe.com/webroot/upload_media/99896762974.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/bujufaketaxileragupumu.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/samevejebefujaxutot.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/34332596918.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/663d287aa059aa0d104179029020868b/mironifunone.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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