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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://yoyep.co.za/XSRYdR1H?utm_term=top+card+games+android PDF link annotation

  • http://tamlaproject.com/userData/board/file/65680074987.pdfIn PDF document text
  • http://cluboutletmoto.net/campannas/file/43070874545.pdfIn PDF document text
  • http://progettocecinacuore.it/writable/public/userfiles/file/tusopazikifaxij.pdfIn PDF document text
  • https://susta.vn/userfiles/file/77086727138.pdfIn PDF document text
  • http://qdcmd.com/data/files/moteb.pdfIn PDF document text
  • http://vinhthuan.vn/upload/files/mevimolapiviniv.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/kilazozifefopatep.pdfIn macro / runtime command snippet
  • http://unleadedcoffee.cz/soubory/38232388106.pdfIn macro / runtime command snippet
  • https://gabconstruction.com/ckfinder/userfiles/files/navujunudogukogi.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/43558363614f8b4738296.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161698fb08f4ad---gojuvapeseweligujogetuled.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/kowixaxapetidanalufanev.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/34066894687.pdfIn PDF document text
  • http://gyuco.com/uploadfile/files/20211126_035442.pdfIn PDF document text
  • https://infotechsystemsonline.com/ital/www/img/file/dosaduliwujupeluxabetekuk.pdfIn PDF document text
  • http://hong-tour.com/FileData/ckfinder/files/20211125_ADAB47E433304505.pdfIn PDF document text
  • https://avflash.nl/upload/files/55126076180.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/69126563979.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-11///20211126744137269.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/lepavixalikakaban.pdfIn PDF document text
  • http://billsky.ee/files/file/91148798184.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/xixeropuxib.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1618ac74d92aa5---4007877674.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ed786febc08---15829327408.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/12539622406.pdfIn PDF document text
  • http://vinhthuan.vn/upload/fileIn macro / runtime command snippet
  • 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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