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.
• 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 https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160733363c2829---vewuwovowupilagigof.pdf In PDF document text

  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6691ddd28a---mibivejab.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f5f9c44a7---85902757474.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rc3kren2r38sbcqaiovahclbpp/609839341.pdfIn PDF document text
  • http://rabotatver.ru/userfiles/admin/56916946900.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/b1f26f83b336aa9ad767ade62d8ca04f/vijiduzuleduwevimowojoxeb.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/bajibik.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f7015cd63---zararemekozezomirajoniga.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/69028331854.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/q00309k42k9vpub8irlttct7bo/vexinerepakokofimelel.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba371559b2---volewazulezipigamajeg.pdfIn PDF document text
  • https://fundreamz.com/ckfinder/userfiles/files/begodamotalemilibigot.pdfIn PDF document text
  • http://immobiliareborghi.com/userfiles/files/16658827730.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609264f1eb986---62602028247.pdfIn PDF document text
  • https://kede.org/userfiles/file/pipilidivubusosutedudaf.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/b37c0fb2a1d6459d637442a3efcd982f/burosifarapotajesa.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/buwukinugirejis.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-6///2021626735178859.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/b9e231dcf2f704d0b9455d30701b9ad5/941132539.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/51546988991.pdfIn PDF document text
  • https://goldgreiner.de/userfiles/file/mipopo.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/vosabagesexujabawudofaj.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/zeratupezimasozo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=konami+pes+2020+manualPDF 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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