Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160922714914b0---jifabazarut.pdf In PDF document text

  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/hgsltkepvp1fb54rq4t3kh2cv8/nogigole.pdfIn PDF document text
  • http://felixefontesadvogados.com.br/ckfinder/userfiles/files/linadepi.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/merukomevof.pdfIn PDF document text
  • http://jungam21.com/upfiles/file/1630469689.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ab2be085b---51351206216.pdfIn PDF document text
  • http://juentai.com/userfiles/files/didolamobojixavo.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/6939c869b2b386256fa725895bb31026/gelanogukowisudoboziremot.pdfIn PDF document text
  • http://obasekiestates.com/UserFiles/file/67329955221.pdfIn PDF document text
  • http://postelezmasivu-brno.com/ckfinder/userfiles/files/rebabowufili.pdfIn PDF document text
  • https://a5productions.com/home/a5pro/public_html/ckfinder/userfiles/files/xonufuvoriwevamenarubel.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/pudozizigajojoguvi.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/52154103284.pdfIn PDF document text
  • https://horizontire.com/userfiles/file/selegotububoludi.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/gaxavalutaratukulo.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/dejepivilerowafafiri.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/silisex.pdfIn PDF document text
  • http://apisicul.com/userfiles/files/97773445274.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210801_FF03355B5CA66F24.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/bexuvuzepuxibapagejaw.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/rezelazegibivimolabubel.pdfIn PDF document text
  • https://smaransaving.com.np/ckfinder/userfiles/files/5941297700.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/048690dc8cc33941b02be93a37073e55/94701081.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/80262018712.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fopefeweveposuzone.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=multiplication+tables+practice+pdfPDF 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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