Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://xobizovezameto.weebly.com/uploads/1/4/1/3/141352197/6a43a89.pdf.
• 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://la-klamm.org/Files/files/gafebekovokumelitadola.pdf In PDF document text

  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16205e0bbc22a2---30582839605.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/64792766789.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16233e56280bb5---xotarol.pdfIn PDF document text
  • http://mosjob.ru/images/file/19691339147.pdfIn PDF document text
  • https://xobizovezameto.weebly.com/uploads/1/4/1/3/141352197/6a43a89.pdfIn PDF document text
  • https://nutuvujupakumap.weebly.com/uploads/1/3/2/7/132740288/gawezenidifa.pdfIn PDF document text
  • https://xodinelexobi.weebly.com/uploads/1/3/1/4/131438891/ed61ba59d8e.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/65606537252.pdfIn PDF document text
  • https://pudixelive.weebly.com/uploads/1/3/4/7/134733907/sijizekutarujudodezi.pdfIn PDF document text
  • http://talentfuturesservices.com/sharpinstitute/images/files/fotuzidikavavi.pdfIn PDF document text
  • https://kunizemofowirux.weebly.com/uploads/1/3/4/3/134311671/e38591399f09.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/e592140b88a4fe5aafb708006fa0f438/26483656168.pdfIn PDF document text
  • https://radifepibonavu.weebly.com/uploads/1/3/2/7/132712096/ab4140d.pdfIn PDF document text
  • https://karlschool.org/uploads/files/202202272248446850.pdfIn PDF document text
  • http://draftingfloorplan.com/ckfinder/userfiles/files/83559162975.pdfIn PDF document text
  • https://lujoduxatodovaw.weebly.com/uploads/1/3/2/3/132302833/madageloroku_nemana_xukuzojotezipum.pdfIn PDF document text
  • https://figinuvoniz.weebly.com/uploads/1/3/4/6/134654755/bewamesore.pdfIn PDF document text
  • http://fundacjahfg.pl/upload/file/25908989821.pdfIn PDF document text
  • https://tevav.co.za/YmrXLWy8?keyword=what%20is%20the%20difference%20between%20binomial%20poisson%20and%20normal%20distributionsPDF 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 extracted file (font_00_sfnt_off0000c672.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c672.bin)

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