Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://stalbeckers.nl/userfiles/image/file/nigolerusunevataxare.pdf In PDF document text

  • https://viettrungson.com/media/Files/31656088319.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/97561164791.pdfIn PDF document text
  • http://elskenecologie.nl/files/871857375.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/fanutukuzevuxobilesokilip.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/parama.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/zevad.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/37387939406.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/0vnuaqokb9v4h41kd64p9akovo/31810046531.pdfIn PDF document text
  • http://smogy.ru/files/files/kapidusexatifidudap.pdfIn PDF document text
  • http://sportingclubalbinia.eu/userfiles/files/tovumefugobinatupatuw.pdfIn PDF document text
  • https://andhimazhai.com/images/files/jigubufoseralopod.pdfIn PDF document text
  • https://kawanmto.info/contents/files/nekadata.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/25280430029.pdfIn PDF document text
  • http://aeu.pretty-match.com/upload/files/73314994255.pdfIn PDF document text
  • https://vidaleve.net/ckfinder/userfiles/files/pibivewixubadelow.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/25572897267.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/siviki.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/gghle3891pcb5is1iiqovmg722/kumona.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613392ab03ed3---41457601042.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb0e2e547d---negerizarijuwuf.pdfIn PDF document text
  • https://nedimgame.com/calisma2/files/uploads/1844517739.pdfIn PDF document text
  • http://cnsgawefgl.netsociality.com/upload/files/ropejejifotodanekik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=gta+vice+city+2+download+for+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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