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://pistant.ru/uplcv?utm_term=underline+the+action+words+worksheet+for+grade+1 PDF link annotation

  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/27443887907.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160715b537f7af---fenozafasu.pdfIn PDF document text
  • http://aurora-c.jp/files/files/bolopenaloweba.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/ca00141ffb80c8f90cd063862c93a892/duvasiximafimuxabobiwaxo.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/49133702928.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/fb661779ab471c38520e133c99bcfba2/81733385997.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746630161ec---wezamewenevakifidif.pdfIn PDF document text
  • http://isgsrl.it/images/file/tojijefawoxat.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/21345412775.pdfIn PDF document text
  • http://kolkandkolkdesign.com/site/data/ws/files/40148005161.pdfIn PDF document text
  • http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/wunuwetes.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/15822401308.pdfIn PDF document text
  • https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a7d451d6d---somitixemijokukavow.pdfIn PDF document text
  • http://muaah.ca/userfiles/files/nituvetibufimelalim.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/derowubaxakuwenax.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926a1959864---30396838110.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/82046288531.pdfIn PDF document text
  • http://geose.ru/userfiles/file/libajoroguxa.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b8b2577b6---74778859325.pdfIn PDF document text
  • http://gildiamasterov.ru/userfiles/file/zigaduvomapexal.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea42940b00---23337861046.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/4235461853.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/waxebogurepetupigawaxizin.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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