Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://mifuj.co.za/YmrXLWy8?keyword=digitech%20jamman%20express%20xt%20demo PDF link annotation

  • https://xamabovow.weebly.com/uploads/1/3/4/6/134674320/6621068.pdfIn PDF document text
  • https://travelsafeway.com/userfiles/file/xuvubu.pdfIn PDF document text
  • https://fakanodadix.weebly.com/uploads/1/3/4/3/134371587/2e279e1fd177.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1623ea1bebb087---tilexiro.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/66133645775.pdfIn PDF document text
  • https://lefelovavuj.weebly.com/uploads/1/3/4/6/134644752/rarajokazos.pdfIn PDF document text
  • https://tinofapilasi.weebly.com/uploads/1/3/4/5/134518201/8894815.pdfIn PDF document text
  • http://mama-care.com/UserFiles/file/53765889735.pdfIn PDF document text
  • https://gojamomer.weebly.com/uploads/1/3/2/8/132815882/kaxaliliwelenu.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/34ahnevaadvqq0fqr8icqdgtae/97101324108.pdfIn PDF document text
  • https://xujifedivo.weebly.com/uploads/1/3/4/8/134862591/fozigukeniv-tesux.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1621400dbbfc95---26483341919.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161fd20f5a5491---16039628538.pdfIn PDF document text
  • https://ketdoanbus.com/webroot/img/files/31054394154.pdfIn PDF document text
  • http://www.romdom.pl/public/js/kcfinder/upload/files/gupufidibelawonate.pdfIn PDF document text
  • https://jixinedoxe.weebly.com/uploads/1/3/1/3/131383771/ligonegixugag.pdfIn PDF document text
  • https://viwoxewadekam.weebly.com/uploads/1/3/4/0/134016770/b70b2ddd24c.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 extracted file (font_00_sfnt_off0000c59d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c59d.bin)

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