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 68 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://crewmak.ru/uplcv?utm_term=restoring+deleted+files+android PDF link annotation

  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614d15636684a---37838722494.pdfIn PDF document text
  • https://monographie.com/ckfinder/userfiles/files/rifanexexamumeku.pdfIn PDF document text
  • http://mebel-moscow.com/content/xuploadimages/file/wadarizumularuragupam.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16133cc4d37c56---77000864810.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fcb481731---zenilixaped.pdfIn PDF document text
  • http://bilafafafa.com/shopadmin/upload/files/vegixeremiwedepari.pdfIn PDF document text
  • http://forspeed.cz/ckfinder/userfiles/files/71783787832.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/31029014208.pdfIn PDF document text
  • http://buyo-g.net/userfiles/file/23146716336.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/walazugizeti.pdfIn macro / runtime command snippet
  • http://drentmedischadvies.nl/uploads/files/memurorunavipedotuganumer.pdfIn PDF document text
  • http://laarakkers.com/ckfinder/userfiles/files/57465474247.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/litozefijanikunipup.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/579bd8a4e284000ae66bbdb0e684f17e/wifefaguned.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/bifilonipoketelag.pdfIn PDF document text
  • http://villabrown.it/userfiles/files/25925555705.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/fogunajowakifuvazolujogij.pdfIn PDF document text
  • https://tungafilm.com/dorceiys/ckfinder/userfiles/files/40391494980.pdfIn PDF document text
  • http://elpijisystem.com/file/70244126870.pdfIn PDF document text
  • http://maxbrio.kr/files/files/71624894975.pdfIn PDF document text
  • http://metrominicabs.com/survey/userfiles/files/68801100452.pdfIn PDF document text
  • http://khonggianmang.com/upload/files/12183050693.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/74882924205.pdfIn PDF document text
  • http://buyo-g.net/userfIn 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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