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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://greensketch.in/userfiles/file/33366610108.pdf In PDF document text

  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16088dbe580a68---7216107114.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/29329290423.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/kijipawugi.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/66dbde40eb772f2a3f11cb5bacb3c00d/daxegejesugakasezojovej.pdfIn PDF document text
  • https://aaaxxion.info/images/file/2084642326.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608746802349d---56141227916.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/lapumepexomixapofafusofat.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/80m2aac5e8o5c5nr6b78j7n7na/5218383760.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf91e5323c---sapigipigarafagawedilero.pdfIn PDF document text
  • http://micruts.org/userfiles/file/34944887519.pdfIn PDF document text
  • http://geopraxis.it/userfiles/files/derowukutikadipazeweni.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/3cnda1gq719jg84dvcmddgakbg/nizojumez.pdfIn PDF document text
  • http://lakes77.com/clients/47041/File/govumosirug.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/a7e9n365ik5t1nc8ua2dnaci86/kaponabikufimojufoxubux.pdfIn macro / runtime command snippet
  • http://www.blueoak.fr/image/file/lifixilukabile.pdfIn PDF document text
  • https://h16hr15k-h19hr37urn.com/contents/files/zibozunuzetewum.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/20423121539.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/d297afd51bbdd84467c37a915bd6197c/26658473604.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d54bea88f1---simubinuxukiwidubudutebem.pdfIn PDF document text
  • http://fullx.net/files/74020191942.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160abea6b5aa63---sofifajuvaketoxe.pdfIn PDF document text
  • http://rowerowaszkola.pl/imgturysta/files/34803596715.pdfIn PDF document text
  • http://lakes77.com/clients/47041/FilIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=add+pdf+pages+to+word+filePDF 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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