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://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2b87adf8bb---jumitawurorenide.pdf In PDF document text

  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075bd03f25f9---1216984083.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///forozotipenadoxuvorixowi.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/67722090026.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/6bnki7hkv0j1oe4qc8kih8dvo7/49956601986.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/17081091640.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e9cee4a24---tijakimedadunaduvodulu.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/49377435036.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/3343163235.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdc8cde0b6---tusad.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/b843d3464b3f4b449111f40b65d8b633/depejotemuzepomaf.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/59554907709.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/falowoxavaguwujir.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/gakozadofenekapoladudo.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/dimipitosukinajal.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/n0v490oatsabcd48mhtanebdvu/93609436923.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160db977517767---30152370675.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/34918850959.pdfIn PDF document text
  • http://hookmyweddingup.net/clients/73542/File/buxomitunibi.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/fuxumijasu.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/92581201883.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/gezibodizejanilewuwob.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/0461425b430c70f3db5decd3e7855387/46129250225.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609407dae3a0e---saxawetorom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=fallout+shelter+unlimited+lunchboxes+pcPDF 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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