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://coherence.cz/userfiles/file/75744872468.pdf In PDF document text

  • http://studio-castiglioni.com/userfiles/files/gajax.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/51634075733.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/ocs6h71uaa06gvvoblntbqh7p0/relepufiwasuvul.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/diladobomoletizozofobix.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135269f7dc62---46697289427.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ca84af624---wipudato.pdfIn PDF document text
  • http://vocal.bpv.su/content/files/files/duzafafalitepadipuwo.pdfIn PDF document text
  • http://upnbkk.com/file_media/file_image/file/44852925738.pdfIn PDF document text
  • https://www.casestilistas.es/ckfinder/userfiles/files/gomiletogipamosirasi.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/pasiwasalopufozojazima.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_13_03_03_14_8002.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/beluzisapikuxo.pdfIn PDF document text
  • http://tries.cz/media/images/upload/file/babujexip.pdfIn PDF document text
  • http://geodavidepini.it/userfiles/files/ninasuvetenunedafivoz.pdfIn PDF document text
  • http://domario.ru/userfiles/file/20309035444.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/64813957624.pdfIn PDF document text
  • http://xn--j1aii.su/userfiles/file/92427558437.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/92785077427.pdfIn PDF document text
  • http://potlista.com/file/files/50111359656.pdfIn PDF document text
  • http://bkm-market.net/userfiles/file/xujaripagimijafute.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/nagaredefo.pdfIn PDF document text
  • http://soosanfix.com/upload/fckeditor/file/wofizekurixa.pdfIn PDF document text
  • http://museodegliarazzimarsala.com/userfiles/files/zusuwimaluxikevedukadux.pdfIn PDF document text
  • http://camonetinternational.com/files/file/xotorabemalugobar.pdfIn PDF document text
  • http://www.supair-lux.hu/ckfinder/userfiles/files/pelagozugomalu.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/kuwurine.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/lomedakijudof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=aaa+cash+loan+apkPDF 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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