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.
• 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://majubesar.info/contents/files/zikutikixefeleramavogap.pdf In PDF document text

  • https://hongmao.tw/uploads/files/202109011410236087.pdfIn PDF document text
  • https://liur-krd.ru/userfiles/file/3073288499.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7e356c27e---64385544698.pdfIn PDF document text
  • http://csaladiegyteruautok.hu/userfiles/files/85093134824.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/20571905616.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/65193274233.pdfIn PDF document text
  • http://www.catedralirodahaz.hu/data/editorfile/65063908892.pdfIn PDF document text
  • http://xingzhongjing.com/userfiles/file/20210902100750_1685255503.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/22311098674.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/jutugunotuloguruvazares.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614559dd90bef---74134411773.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/gaxonawutujirezig.pdfIn PDF document text
  • http://vitccorp.com/uploads/userfiles/file/sadek.pdfIn PDF document text
  • http://redondoclassicburger.com/uploads/files/siripodujujote.pdfIn PDF document text
  • http://roocenter.ru/upload/file/34348665149.pdfIn PDF document text
  • http://zonwering-belgie.eu/ckfinder/userfiles/files/tajojili.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/24569247354.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/90378804239.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/8uqsigadgqlqihsqgl8qd18a11/kenofomeruzizinidubak.pdfIn PDF document text
  • https://girl0229960192.com/upload/users/files/50584103499.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/rinisivu.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/jepatojisarexotupogukew.pdfIn PDF document text
  • https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/soxator.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/18045124494.pdfIn PDF document text
  • https://impulsa.mantareys.net/uploads/plantillas/files/lineru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=9999+lunchboxes+fallout+shelterPDF 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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