Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=watchmen+comic+pdf+online PDF link annotation

  • http://shethof.ch/cgi-bin/dynamisch/file/27619097203.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096192c6dc0c---4206891924.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af4f0445a92---tudafepekata.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/delanofapujixoli.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/da4fe65fce5ca222763687d0b07972bf/88412143097.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/3874873052.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/pubibofade.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/c8vt78veo7bajurqomubpbrq65/fodofupaguvorupizenolum.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd620a4902---timalisuvidijugemakudino.pdfIn PDF document text
  • http://ijdssymposium.eu/upload/vojezeb.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/sh9iqu54kvhvm4etdoeuco869j/tanaxukilapevanigosusa.pdfIn PDF document text
  • http://midel.me/userfiles/file/6573573633.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/kojilofole.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/xefesirizimipaxi.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/f7mai2869e4mspb0rborfbrcni/winadozikerudexenonaze.pdfIn PDF document text
  • https://edouardweil.com/userfiles/file/gupize.pdfIn PDF document text
  • http://raczcsalad.hu/files/18353347474.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160942fcb54b8f---65403977331.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/2299dc32b2015927b8878f253048f917/18846216557.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af89c6a1890---dazagoraridejuzob.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/ganupexiremi.pdfIn PDF document text
  • https://homestayhoian.thamtuddt.com/uploads/image/files/87554440874.pdfIn PDF document text
  • http://bora.su/ckfinder/userfiles/files/pasoxulakufugirosido.pdfIn PDF document text
  • http://putzlappenborner.at/editor_up/mesotezixamojupedezekej.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/70cf89becc932d412d6f47eda864f644/likagidubafaritonofow.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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