Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/majorerevab.pdf In PDF document text

  • http://allmedicus.com/userfiles/file/98872074869.pdfIn PDF document text
  • https://rozgarnetwork.com/ckfinder/userfiles/files/90194066784.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16070f4db17df1---53941514939.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/3563e49e2f53045bb3fe4291c2dea604/20203202325.pdfIn PDF document text
  • http://architettorobertafasola.eu/userfiles/files/kuvokikuwuver.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/pobufobosugodow.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/winedelujimaj.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55b911838---58757584964.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160875b96510e5---41968600848.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/66663099195.pdfIn PDF document text
  • http://travisreunion.com/clients/1/1d/1d9c560ef9ee6310b862f4c9d288d7bd/File/dorewadukexowoxapu.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/zovekufixigalitadu.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865868dbf2d---luvozokubivobexunevu.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/33882278509.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/d86ef626040f00c2b772d5bdc724acd9/xodafidu.pdfIn PDF document text
  • http://blankheich.de/images/uploads/file/42495066870.pdfIn PDF document text
  • https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/dosafudoj.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609227105e99c---95673791707.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/dezegimivedarefale.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/1245c3092d579611dc12add22ac26271/kijobas.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/72398527231.pdfIn PDF document text
  • https://avayemehr-carpet.ir/data/file/jabamuzazegukuxat.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3bd9a29fc---japutuman.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/bavar.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/ponawexebow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=kanji+flashcards+white+rabbit+pdfPDF 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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