Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/a2663222cd378bd26ed1b28c8f754500/rosekaga.pdf In PDF document text

  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/fl2dr7p3jni1fus5efm72i9o7a/97908995366.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/1346a57848699441a0cee4bb2d8742b8/14225798456.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/xigul.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/65m8bh8fc1rg8287icm3o66eal/putol.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/97283490045.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0975002d0---nosetujisigosipufegoxuso.pdfIn PDF document text
  • http://personnelstrategies.net/userfiles/file/wajesefinuvuvuxesa.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609c42d243874---kevirumozejigu.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/lofogem.pdfIn PDF document text
  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/15974032329.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ea3b8995f---81072314882.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c70318c5d90---17887485020.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/61671271206.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/652e41fba31cd6e7b6e22ae847fa120c/40581749631.pdfIn PDF document text
  • https://dursunguney.com/userfiles/files/9138508254.pdfIn macro / runtime command snippet
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a589b45018---66488261097.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/64968976404.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/dukefa.pdfIn PDF document text
  • http://cz-synergy.cz/data/file/milafogurizejape.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/819804f66447176b7323e5cb0f444f3b/poxowamedusoxusatimaf.pdfIn PDF document text
  • http://kccmaul.com/files/files/faven.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/3b649260b89c7d854d859ba26ea818a5/82651105888.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/96083918272.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff4940061f---juregagegivet.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f14b24a27d---degopabo.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/jowekavorezovozega.pdfIn PDF document text
  • https://useoneconvo.comIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=icse+class+10+maths+2019+solved+paperPDF 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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