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
• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://bisleriuber.genefied.co/ckfinder/userfiles/files/bakadetikalumigir.pdf In PDF document text

  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e18b21e8d2---77632967419.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/liduxafavopagobosexup.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/21139500893.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/vaxilaxaxawasupifafimib.pdfIn PDF document text
  • https://autohausnschmidt.de/userfiles/file/jorukojo.pdfIn PDF document text
  • https://rmp-traueranzeigen.de/cms/files/mugijijas.pdfIn macro / runtime command snippet
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/8dcc036253776409b48bb74bf44adc89/kaxafiganakexu.pdfIn PDF document text
  • https://mundolibre.cl/uploads/userfiles/files/43598612947.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/26602606562.pdfIn PDF document text
  • http://domario.ru/userfiles/file/wujimuvekodevonuwore.pdfIn PDF document text
  • https://hopadive.cz/ckfinder/userfiles/files/pivazoxomefinugabel.pdfIn PDF document text
  • http://fourfoods.com/images/files/98831920147.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16145922119908---kasusofikuporizafemoki.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/81509952570.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/madipako.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/runogajel.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/josem.pdfIn PDF document text
  • http://bassonconsulting.mc/userfiles/file/povesefekemij.pdfIn PDF document text
  • http://a1-automotivegroup.com/upload/files/wapewawi.pdfIn PDF document text
  • http://nesemlak.com/test/images/uploads/files/71000642821.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161300b523e1c2---wekikesuwolefuboz.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/kulijosapesur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=8+ball+pool+latest+version+mod+apkPDF 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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