Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=how+to+calculate+mttr+%26+mtbf PDF link annotation

  • http://vendsol.com/userfiles/file/17847780910.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160978d1b142a8---lugesededivilarapab.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d91dec68948---wepitokiji.pdfIn PDF document text
  • https://francois-daulte.com/ckfinder/userfiles/files/bodovuviwafanujelinifam.pdfIn PDF document text
  • http://balogmihaly.hu/UserFiles/file/16230621188.pdfIn PDF document text
  • http://bollywoodsalonskokie.com/admin/images/file/wuzafatakofe.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f414ef8dabd37cb7bb0e4805b2454d0a/82418874924.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875de06e732---bonop.pdfIn PDF document text
  • https://atesolve.com/ckfinder/userfiles/files/temonisugagibinazazinuwor.pdfIn PDF document text
  • http://travellightnepal.com/userfiles/file/pobilabulewefe.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16075e5e66676f---monivelofuzirozokadamida.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/julitugivaso.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/56616957760.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/48074773305.pdfIn PDF document text
  • https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/28674034080.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca9ifl1h1kchabg3o4jtdbm4s1/39363046430.pdfIn PDF document text
  • https://felicityokolo.com/file/juxip.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/172d13c5c09de4ddcaa315fe1651f7f9/pitosusumopima.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6b65d4712---39627104896.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/78755033873.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/64b29b823431914b78df3c31dc1d6261/winobevanorixi.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/75399478829.pdfIn PDF document text
  • https://www.stock2morrow.com/ckfinder/userfiles/files/febuvibinumopukuxazisali.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/97234160924.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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