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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://infrive.ru/uplcv?utm_term=beginning+to+be+a+bit+of+an+acronym PDF link annotation

  • http://neoneofytou.com/ckfinder/userfiles/files/33186820412.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614d32492413c---87684381500.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-9-8/20210908125643139797.pdfIn PDF document text
  • https://madame-tina.com/ckfinder/userfiles/files/nubonatenufomeputejube.pdfIn PDF document text
  • http://nktrading.qa/file/files/13082804723.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/43696994186.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/jonoziso.pdfIn PDF document text
  • http://parejalecaros.com/adjunto/upload/fck/files/sejuxa.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/dufasovuduzijefebaj.pdfIn PDF document text
  • https://www.weldcor.ca/public/ckfinder/userfiles/files/lewidewuleduweka.pdfIn PDF document text
  • http://labellebeaute.com.hk/ckfinder/userfiles/files/94587699736.pdfIn PDF document text
  • https://astefin.ro/ckfinder/userfiles/files/lepomixezumunupabupadek.pdfIn PDF document text
  • https://harshahometutors.com/uniformkontakt/userfiles/image/files/karomotikesamosulaz.pdfIn PDF document text
  • https://architektor.ru/uploads/file/23452148244.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/28c03778b8fe5089bc5e2d4267d0818e/50598783011.pdfIn PDF document text
  • https://indicaperu.com/userfiles/file/15310484794.pdfIn PDF document text
  • http://appextskihjthj.handysociality.com/upload/files/bukoxozenazoxokedimakipux.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/lusakolodamurisoke.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/40719111422.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce25c62b7c---jolexufefemil.pdfIn PDF document text
  • http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/rowiguvitofigaxito.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/33196715102.pdfIn PDF document text
  • https://sydneystudytour.com/accounting/userfiles/file/34115543799.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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