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
• 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.
• 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.
• 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://pixomot.ru/uplcv?utm_term=free+real+instagram+followers+no+verification PDF link annotation

  • http://baoveantam.org/upload/files/vugelezajal.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/83874188822.pdfIn PDF document text
  • https://austarpharma.austarchina.com/upload/files/18104099778.pdfIn PDF document text
  • http://kuhomania.ru/ckfinder/userfiles/files/88914408481.pdfIn PDF document text
  • http://2016.letnifestiwal.pl/ckfinder/userfiles/files/zimigagunilaj.pdfIn PDF document text
  • http://sportservistocik.cz/UserFiles/File/rupepudelapijibejawevewis.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/xibawax.pdfIn PDF document text
  • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/34188569650.pdfIn PDF document text
  • http://arniuniversity.in/ci/userfiles/files/tojuratekasipakuzuwe.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/files/wasonefi.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/pijufore.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613760d38e5cd---17647743592.pdfIn PDF document text
  • https://www.nstoplana.rs/ckfinder/userfiles/files/fizefuvi.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/0875f1988b9c8e6355187a19ca024715/36253598663.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/sugifezulejipeveterubetut.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/sekadazabek.pdfIn PDF document text
  • https://havilahbuilders.com/userfiles/file/bebovelapoxoruj.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/gunapejinowifojanot.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/poxuxaxefisagupu.pdfIn PDF document text
  • https://foulardfotografando.it/file/62619892375.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/85298237893.pdfIn macro / runtime command snippet
  • https://divetechmarine.com/contents/files/34962731553.pdfIn macro / runtime command snippet
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c83d465b0a76fa6bace7d3f8160a109a/7268208121.pdfIn PDF document text
  • https://www.adom.biz.pl/ckfinder/userfiles/files/dimokaterulemavifimi.pdfIn PDF document text
  • https://valenciamaids.com/userfiles/files/godak.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc490842ba---jenuxedizebenamesemez.pdfIn PDF document text
  • https://foulardfotIn 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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