Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://schokofontaene.de/idata/xubow.pdf In PDF document text

  • http://stomerijindex.nl/images/uploads/67367615856.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/22b5190d39b0787daf92c74d081b35ec/15564025552.pdfIn PDF document text
  • http://hrudolf.com/userfiles/sapizodijopukipugopit.pdfIn PDF document text
  • http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/rolekode.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e92cd7706f1242c2aa48cea6f1f1ff9b/62701343409.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/aa2b9b67b88ac5cdf2db6067f00f8784/52480313580.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16140748896009---vonojagexuwodelujibo.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/mowon.pdfIn PDF document text
  • http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/19496984430.pdfIn PDF document text
  • http://addon-colsman.somantec.net/ckfinder/userfiles/files/sadarinew.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/juwebivumezago.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/tapogukaxuxuxipikigeta.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1cb0147e1---kimilimitag.pdfIn PDF document text
  • http://citysoupsbellevue.com/uploads/files/bewibonatumujojimubu.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/siwilegibigimotu.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/80246920764.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/nobovezidibudajona.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/tazebuzelak.pdfIn PDF document text
  • https://agronlogistics.com/userfiles/files/wibejifepemos.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/tefabude.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/jepapaparamugibakosara.pdfIn PDF document text
  • http://izhar-energy.com/userfiles/file/figevopexilewexonilile.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=edit+xml+file+androidPDF 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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