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://smidgel.ru/uplcv?utm_term=opm+the+strongest+apk PDF link annotation

  • http://gemmacapitalgroup.com/foto/file/87723140242.pdfIn PDF document text
  • https://4wheelchile.cl/admin/uploads/file/989821846.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/12750312044.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/nujezalivovotoj.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5bc1e451c---nisejodizakemejaninopu.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/64397419881.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/sakuzunigalik.pdfIn PDF document text
  • http://domplus.su/userfiles/files/guwalinimujedetefi.pdfIn PDF document text
  • https://cardolf.ro/files/89741081785.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-13/20210913033002502631.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/pafew.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/rodenasufulaguzuwafodelod.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/2840294378.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/97664914816.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/uqao4ann4gbnr8hdejodlajlg2/tezikumugabujuf.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/59235854476.pdfIn PDF document text
  • http://engineersclasses4competition.com/files/others/vonejesonorugoke.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/56317855573.pdfIn PDF document text
  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/4220893171.pdfIn PDF document text
  • https://ddc-touggourt.dz/ar/files/26353295663.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/60868035138.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16136a499eb067---63037342099.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/79092855345.pdfIn PDF document text
  • https://baruipur.org/ckfinder/userfiles/files/64958746272.pdfIn PDF document text
  • http://mountmedpharmacyIn 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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