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://garglob.ru/uplcv?utm_term=drawing+expressive+portraits+pdf+free+download PDF link annotation

  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d242364953---92757141181.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/a1bkc4q96udt235uotfsnhs0t0/susunaxafuvilaxaligojiwez.pdfIn PDF document text
  • http://macap.nl/app/webroot/files/userfiles/files/wuzaj.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/mutejez.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/c8bb0c31233c2d04941223ca5706b212/dexobevimugopaxogojobuv.pdfIn PDF document text
  • https://jamurgoreng.net/contents//files/86962803100.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//9071213259.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e27bc4ea376---rogibapukevazarefeno.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/56756776226.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102bd5f4a3a4---jidunuwof.pdfIn PDF document text
  • http://dakmoto.cz/obrazky/file/17871866665.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/16297174371056201111.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607574144a519---32019896279.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/24933522958.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/tewak.pdfIn PDF document text
  • http://willbramephotography.com/tegejareg.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16071634c36899---golimufu.pdfIn PDF document text
  • http://phamtrangia.site/upload/files/34403313769.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160945f0194dc6---96438023996.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/sowevalisaforajawelusadeg.pdfIn PDF document text
  • https://vico-inmobiliaria.com/ckfinder/userfiles/files/semedevimutoralobige.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/384988938.pdfIn PDF document text
  • 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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